Bump dart-lang/setup-dart from 1.5.0 to 1.6.0 (#113)

Bumps [dart-lang/setup-dart](https://github.com/dart-lang/setup-dart) from 1.5.0 to 1.6.0.
- [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@d6a63da...b64355a)

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

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

Author: dependabot[bot]

.github/workflows/build.yaml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
-    - uses: dart-lang/setup-dart@d6a63dab3335f427404425de0fbfed4686d93c4f
+    - uses: dart-lang/setup-dart@b64355ae6ca0b5d484f0106a033dd1388965d06d
     - uses: nanasess/setup-chromedriver@e66222fd7ec9c46b83cc837781ce6930b5d95f90
 
     - name: Install dependencies