Bump dart-lang/setup-dart from 1.4.0 to 1.5.0 (#653)

Bumps [dart-lang/setup-dart](https://github.com/dart-lang/setup-dart) from 1.4.0 to 1.5.0.
- [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@a57a6c0...d6a63da)

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

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

Author: dependabot[bot]

.github/workflows/dart.yml

@@ -29,7 +29,7 @@ jobs:
             os:ubuntu-latest;pub-cache-hosted
             os:ubuntu-latest
       - name: Setup Dart SDK
-        uses: dart-lang/setup-dart@a57a6c04cf7d4840e88432aad6281d1e125f0d46
+        uses: dart-lang/setup-dart@d6a63dab3335f427404425de0fbfed4686d93c4f
         with:
           sdk: stable
       - id: checkout
@@ -54,7 +54,7 @@ jobs:
             os:ubuntu-latest;pub-cache-hosted
             os:ubuntu-latest
       - name: Setup Dart SDK
-        uses: dart-lang/setup-dart@a57a6c04cf7d4840e88432aad6281d1e125f0d46
+        uses: dart-lang/setup-dart@d6a63dab3335f427404425de0fbfed4686d93c4f
         with:
           sdk: "2.18.0"
       - id: checkout
@@ -84,7 +84,7 @@ jobs:
             os:ubuntu-latest;pub-cache-hosted
             os:ubuntu-latest
       - name: Setup Dart SDK
-        uses: dart-lang/setup-dart@a57a6c04cf7d4840e88432aad6281d1e125f0d46
+        uses: dart-lang/setup-dart@d6a63dab3335f427404425de0fbfed4686d93c4f
         with:
           sdk: dev
       - id: checkout
@@ -157,7 +157,7 @@ jobs:
             os:ubuntu-latest;pub-cache-hosted
             os:ubuntu-latest
       - name: Setup Dart SDK
-        uses: dart-lang/setup-dart@a57a6c04cf7d4840e88432aad6281d1e125f0d46
+        uses: dart-lang/setup-dart@d6a63dab3335f427404425de0fbfed4686d93c4f
         with:
           sdk: "2.18.0"
       - id: checkout
@@ -191,7 +191,7 @@ jobs:
             os:ubuntu-latest;pub-cache-hosted
             os:ubuntu-latest
       - name: Setup Dart SDK
-        uses: dart-lang/setup-dart@a57a6c04cf7d4840e88432aad6281d1e125f0d46
+        uses: dart-lang/setup-dart@d6a63dab3335f427404425de0fbfed4686d93c4f
         with:
           sdk: "2.18.0"
       - id: checkout
@@ -225,7 +225,7 @@ jobs:
             os:ubuntu-latest;pub-cache-hosted
             os:ubuntu-latest
       - name: Setup Dart SDK
-        uses: dart-lang/setup-dart@a57a6c04cf7d4840e88432aad6281d1e125f0d46
+        uses: dart-lang/setup-dart@d6a63dab3335f427404425de0fbfed4686d93c4f
         with:
           sdk: dev
       - id: checkout
@@ -259,7 +259,7 @@ jobs:
             os:ubuntu-latest;pub-cache-hosted
             os:ubuntu-latest
       - name: Setup Dart SDK
-        uses: dart-lang/setup-dart@a57a6c04cf7d4840e88432aad6281d1e125f0d46
+        uses: dart-lang/setup-dart@d6a63dab3335f427404425de0fbfed4686d93c4f
         with:
           sdk: dev
       - id: checkout
@@ -283,7 +283,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Setup Dart SDK
-        uses: dart-lang/setup-dart@a57a6c04cf7d4840e88432aad6281d1e125f0d46
+        uses: dart-lang/setup-dart@d6a63dab3335f427404425de0fbfed4686d93c4f
         with:
           sdk: "2.18.0"
       - id: checkout
@@ -307,7 +307,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Setup Dart SDK
-        uses: dart-lang/setup-dart@a57a6c04cf7d4840e88432aad6281d1e125f0d46
+        uses: dart-lang/setup-dart@d6a63dab3335f427404425de0fbfed4686d93c4f
         with:
           sdk: dev
       - id: checkout