move http to dev dependency

pkgs/test_api/pubspec.yaml

diff --git a/pkgs/test_api/pubspec.yaml b/pkgs/test_api/pubspec.yaml
index 7421e07..2dba69b 100644
--- a/pkgs/test_api/pubspec.yaml
+++ b/pkgs/test_api/pubspec.yaml
@@ -12,7 +12,6 @@
   async: ^2.5.0
   boolean_selector: ^2.1.0
   collection: ^1.15.0
-  http: ^1.2.2
   meta: ^1.14.0
   source_span: ^1.8.0
   stack_trace: ^1.10.0
@@ -25,6 +24,7 @@
   fake_async: ^1.2.0
   glob: ^2.0.0
   graphs: ^2.0.0
+  http: ^1.2.2
   path: ^1.8.0
   test: any
   test_core: any