build(deps): bump mockito from 5.6.3 to 5.6.4 (#677)

Bumps [mockito](https://github.com/dart-lang/build/tree/master/builder_pkgs) from 5.6.3 to 5.6.4.
- [Release notes](https://github.com/dart-lang/build/releases)
- [Commits](https://github.com/dart-lang/build/commits/mockito-v5.6.4/builder_pkgs)

---
updated-dependencies:
- dependency-name: mockito
  dependency-version: 5.6.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pubspec.lock

@@ -931,10 +931,10 @@ packages:
     dependency: "direct dev"
     description:
       name: mockito
-      sha256: a45d1aa065b796922db7b9e7e7e45f921aed17adf3a8318a1f47097e7e695566
+      sha256: eff30d002f0c8bf073b6f929df4483b543133fcafce056870163587b03f1d422
       url: "https://pub.dev"
     source: hosted
-    version: "5.6.3"
+    version: "5.6.4"
   native_toolchain_c:
     dependency: transitive
     description:

pubspec.yaml

@@ -101,7 +101,7 @@ dev_dependencies:
   build_runner: ^2.13.1
   test: ^1.28.0
   freezed: ^3.2.5
-  mockito: ^5.6.3
+  mockito: ^5.6.4
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec