Bump dart-lang/setup-dart from 1.6.2 to 1.6.5 (#48)

Bumps [dart-lang/setup-dart](https://github.com/dart-lang/setup-dart) from 1.6.2 to 1.6.5.
- [Release notes](https://github.com/dart-lang/setup-dart/releases)
- [Changelog](https://github.com/dart-lang/setup-dart/blob/main/CHANGELOG.md)
- [Commits](dart-lang/setup-dart@fedb126...0a8a0fc)

---
updated-dependencies:
- dependency-name: dart-lang/setup-dart
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/test-package.yml

@@ -23,7 +23,7 @@ jobs:
         sdk: [dev]
     steps:
       - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
-      - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3
+      - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
         with:
           sdk: ${{ matrix.sdk }}
       - id: install
@@ -50,7 +50,7 @@ jobs:
         sdk: [3.0, dev]
     steps:
       - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
-      - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3
+      - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
         with:
           sdk: ${{ matrix.sdk }}
       - id: install