Mandlil maven update (#3946)

* [maven-release-plugin] prepare release v9.0.20

* [maven-release-plugin] prepare for next development iteration
diff --git a/java/carrier/pom.xml b/java/carrier/pom.xml
index 3e6b350..4f357a0 100644
--- a/java/carrier/pom.xml
+++ b/java/carrier/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <artifactId>carrier</artifactId>
-  <version>2.20-SNAPSHOT</version>
+  <version>2.21-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>carrier</name>
   <url>https://github.com/google/libphonenumber/</url>
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.googlecode.libphonenumber</groupId>
     <artifactId>libphonenumber-parent</artifactId>
-    <version>9.0.20-SNAPSHOT</version>
+    <version>9.0.21-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -82,12 +82,12 @@
     <dependency>
       <groupId>com.googlecode.libphonenumber</groupId>
       <artifactId>libphonenumber</artifactId>
-      <version>9.0.20-SNAPSHOT</version>
+      <version>9.0.21-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>com.googlecode.libphonenumber</groupId>
       <artifactId>prefixmapper</artifactId>
-      <version>3.20-SNAPSHOT</version>
+      <version>3.21-SNAPSHOT</version>
     </dependency>
   </dependencies>
 
diff --git a/java/demo/pom.xml b/java/demo/pom.xml
index 26a86d0..e54f43c 100644
--- a/java/demo/pom.xml
+++ b/java/demo/pom.xml
@@ -3,14 +3,14 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.googlecode.libphonenumber</groupId>
   <artifactId>demo</artifactId>
-  <version>9.0.20-SNAPSHOT</version>
+  <version>9.0.21-SNAPSHOT</version>
   <packaging>war</packaging>
   <name>demo</name>
   <url>https://github.com/google/libphonenumber/</url>
   <parent>
     <groupId>com.googlecode.libphonenumber</groupId>
     <artifactId>libphonenumber-parent</artifactId>
-    <version>9.0.20-SNAPSHOT</version>
+    <version>9.0.21-SNAPSHOT</version>
   </parent>
 
   <properties>
@@ -69,17 +69,17 @@
     <dependency>
       <groupId>com.googlecode.libphonenumber</groupId>
       <artifactId>libphonenumber</artifactId>
-      <version>9.0.20-SNAPSHOT</version>
+      <version>9.0.21-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>com.googlecode.libphonenumber</groupId>
       <artifactId>geocoder</artifactId>
-      <version>3.20-SNAPSHOT</version>
+      <version>3.21-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>com.googlecode.libphonenumber</groupId>
       <artifactId>carrier</artifactId>
-      <version>2.20-SNAPSHOT</version>
+      <version>2.21-SNAPSHOT</version>
     </dependency>
   </dependencies>
 
diff --git a/java/geocoder/pom.xml b/java/geocoder/pom.xml
index 9e76268..ac7a759 100644
--- a/java/geocoder/pom.xml
+++ b/java/geocoder/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <artifactId>geocoder</artifactId>
-  <version>3.20-SNAPSHOT</version>
+  <version>3.21-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>geocoder</name>
   <url>https://github.com/google/libphonenumber/</url>
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.googlecode.libphonenumber</groupId>
     <artifactId>libphonenumber-parent</artifactId>
-    <version>9.0.20-SNAPSHOT</version>
+    <version>9.0.21-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -92,12 +92,12 @@
     <dependency>
       <groupId>com.googlecode.libphonenumber</groupId>
       <artifactId>libphonenumber</artifactId>
-      <version>9.0.20-SNAPSHOT</version>
+      <version>9.0.21-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>com.googlecode.libphonenumber</groupId>
       <artifactId>prefixmapper</artifactId>
-      <version>3.20-SNAPSHOT</version>
+      <version>3.21-SNAPSHOT</version>
     </dependency>
   </dependencies>
 
diff --git a/java/internal/prefixmapper/pom.xml b/java/internal/prefixmapper/pom.xml
index 0b5968f..bbc796b 100644
--- a/java/internal/prefixmapper/pom.xml
+++ b/java/internal/prefixmapper/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <artifactId>prefixmapper</artifactId>
-  <version>3.20-SNAPSHOT</version>
+  <version>3.21-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>prefixmapper</name>
   <url>https://github.com/google/libphonenumber/</url>
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.googlecode.libphonenumber</groupId>
     <artifactId>libphonenumber-parent</artifactId>
-    <version>9.0.20-SNAPSHOT</version>
+    <version>9.0.21-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
@@ -84,7 +84,7 @@
     <dependency>
       <groupId>com.googlecode.libphonenumber</groupId>
       <artifactId>libphonenumber</artifactId>
-      <version>9.0.20-SNAPSHOT</version>
+      <version>9.0.21-SNAPSHOT</version>
     </dependency>
   </dependencies>
 
diff --git a/java/libphonenumber/pom.xml b/java/libphonenumber/pom.xml
index 5ee97d1..2bfc0c3 100644
--- a/java/libphonenumber/pom.xml
+++ b/java/libphonenumber/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <artifactId>libphonenumber</artifactId>
-  <version>9.0.20-SNAPSHOT</version>
+  <version>9.0.21-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>libphonenumber</name>
   <url>https://github.com/google/libphonenumber/</url>
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.googlecode.libphonenumber</groupId>
     <artifactId>libphonenumber-parent</artifactId>
-    <version>9.0.20-SNAPSHOT</version>
+    <version>9.0.21-SNAPSHOT</version>
   </parent>
 
   <build>
diff --git a/java/pom.xml b/java/pom.xml
index 1156b4a..cc47630 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.googlecode.libphonenumber</groupId>
   <artifactId>libphonenumber-parent</artifactId>
-  <version>9.0.20-SNAPSHOT</version>
+  <version>9.0.21-SNAPSHOT</version>
   <packaging>pom</packaging>
   <name>libphonenumber-parent</name>
   <url>https://github.com/google/libphonenumber/</url>