chore: set max SDK version to <3.0.0 (#10)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 83ca15b..2909bea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.0.3
+
+* Set max SDK version to `<3.0.0`, and adjust other dependencies.
+
 ## 1.0.2
 
 * `SpanScanner` no longer crashes when creating a span that contains a UTF-16

diff --git a/analysis_options.yaml b/analysis_options.yaml
deleted file mode 100644
index a10d4c5..0000000
--- a/analysis_options.yaml
+++ /dev/null

@@ -1,2 +0,0 @@
-analyzer:
-  strong-mode: true

diff --git a/pubspec.yaml b/pubspec.yaml
index f0862ee..7c87a0d 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml

@@ -1,13 +1,17 @@
 name: string_scanner
-version: 1.0.2
-author: "Dart Team <[email protected]>"
+version: 1.0.3
+
+description: A class for parsing strings using a sequence of patterns.
+author: Dart Team <[email protected]>
 homepage: https://github.com/dart-lang/string_scanner
-description: >
-  A class for parsing strings using a sequence of patterns.
-dependencies:
-  charcode: "^1.1.0"
-  source_span: "^1.4.0"
-dev_dependencies:
-  test: ">=0.12.0 <0.13.0"
+
 environment:
-  sdk: ">=1.8.0 <2.0.0"
+  sdk: '>=1.8.0 <3.0.0'
+
+dependencies:
+  charcode: ^1.1.0
+  source_span: ^1.4.0
+
+dev_dependencies:
+  test: '>=0.12.0 <2.0.0'
+

diff --git a/test/utils.dart b/test/utils.dart
index 471b4c8..7767fbc 100644
--- a/test/utils.dart
+++ b/test/utils.dart

@@ -9,6 +9,7 @@
 /// with the given [message].
 Matcher throwsStringScannerException(String text) {
   return throwsA(predicate((error) {
+    // ignore: deprecated_member_use
     expect(error, new isInstanceOf<StringScannerException>());
     expect(error.span.text, equals(text));
     return true;