Bump dart-lang/setup-dart from 1.6.2 to 1.6.5

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] <support@github.com>

.github/workflows/build.yaml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
-    - uses: dart-lang/setup-dart@fedb1266e91cf51be2fdb382869461a434b920a3
+    - uses: dart-lang/setup-dart@0a8a0fc875eb934c15d08629302413c671d3f672
     - uses: nanasess/setup-chromedriver@42cc2998329f041de87dc3cfa33a930eacd57eaa
 
     - name: Install dependencies