Bump test in /image-rotator in the dart-dependencies group

Bumps the dart-dependencies group in /image-rotator with 1 update: [test](https://github.com/dart-lang/test/tree/master/pkgs).


Updates `test` from 1.25.7 to 1.25.8
- [Release notes](https://github.com/dart-lang/test/releases)
- [Commits](https://github.com/dart-lang/test/commits/test-v1.25.8/pkgs)

---
updated-dependencies:
- dependency-name: test
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dart-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

image-rotator/pubspec.lock

@@ -333,26 +333,26 @@ packages:
     dependency: "direct dev"
     description:
       name: test
-      sha256: "7ee44229615f8f642b68120165ae4c2a75fe77ae2065b1e55ae4711f6cf0899e"
+      sha256: "713a8789d62f3233c46b4a90b174737b2c04cb6ae4500f2aa8b1be8f03f5e67f"
       url: "https://pub.dev"
     source: hosted
-    version: "1.25.7"
+    version: "1.25.8"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      sha256: "5b8a98dafc4d5c4c9c72d8b31ab2b23fc13422348d2997120294d3bac86b4ddb"
+      sha256: "664d3a9a64782fcdeb83ce9c6b39e78fd2971d4e37827b9b06c3aa1edc5e760c"
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.2"
+    version: "0.7.3"
   test_core:
     dependency: transitive
     description:
       name: test_core
-      sha256: "55ea5a652e38a1dfb32943a7973f3681a60f872f8c3a05a14664ad54ef9c6696"
+      sha256: "12391302411737c176b0b5d6491f466b0dd56d4763e347b6714efbaa74d7953d"
       url: "https://pub.dev"
     source: hosted
-    version: "0.6.4"
+    version: "0.6.5"
   typed_data:
     dependency: transitive
     description: