Bump Mockito's dependency on analyzer in order to see isDartCoreList etc.

These were introduced in analyzer 0.37.1.

PiperOrigin-RevId: 292583748
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 930be48..cfe10bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 4.1.2
+## 4.1.2-dev
 
 * Introduce experimental code-generated mocks. This is primarily to support
   the new "Non-nullable by default" (NNBD) type system coming soon to Dart.
diff --git a/pubspec.yaml b/pubspec.yaml
index 6f39aa4..18e9163 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -12,7 +12,7 @@
   sdk: '>=2.3.0 <3.0.0'
 
 dependencies:
-  analyzer: ^0.36.0
+  analyzer: ^0.37.1
   build: ^1.1.3
   code_builder: ^3.2.0
   collection: ^1.1.0