Bump subosito/flutter-action from 1.5.3 to 2.4.0 (#1147)

Bumps [subosito/flutter-action](https://github.com/subosito/flutter-action) from 1.5.3 to 2.4.0.
- [Release notes](https://github.com/subosito/flutter-action/releases)
- [Commits](https://github.com/subosito/flutter-action/compare/v1.5.3...d8687e6979e8ef66d2b2970e2c92c1d8e801d7bf)

---
updated-dependencies:
- dependency-name: subosito/flutter-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

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

.github/workflows/beta.yml

@@ -31,7 +31,7 @@ jobs:
         with:
           distribution: 'zulu'
           java-version: '12.x'
-      - uses: subosito/flutter-action@4389e6cbc6cb8a4b18c628ff96ff90be0e926aa8
+      - uses: subosito/flutter-action@d8687e6979e8ef66d2b2970e2c92c1d8e801d7bf
         with:
           channel: beta
       - run: ./tool/flutter_ci_script_stable.sh
@@ -46,7 +46,7 @@ jobs:
         with:
           distribution: 'zulu'
           java-version: '12.x'
-      - uses: subosito/flutter-action@4389e6cbc6cb8a4b18c628ff96ff90be0e926aa8
+      - uses: subosito/flutter-action@d8687e6979e8ef66d2b2970e2c92c1d8e801d7bf
         with:
           channel: beta
       - run: ./tool/android_ci_script.sh
@@ -61,7 +61,7 @@ jobs:
         with:
           distribution: 'zulu'
           java-version: '12.x'
-      - uses: subosito/flutter-action@4389e6cbc6cb8a4b18c628ff96ff90be0e926aa8
+      - uses: subosito/flutter-action@d8687e6979e8ef66d2b2970e2c92c1d8e801d7bf
         with:
           channel: beta
       - run: ./tool/ios_ci_script.sh

.github/workflows/gh-pages.yml

@@ -21,7 +21,7 @@ jobs:
           submodules: true
           fetch-depth: 0
 
-      - uses: subosito/flutter-action@4389e6cbc6cb8a4b18c628ff96ff90be0e926aa8
+      - uses: subosito/flutter-action@d8687e6979e8ef66d2b2970e2c92c1d8e801d7bf
 
       - name: Init scripts
         run: dart pub get

.github/workflows/main.yml

@@ -32,7 +32,7 @@ jobs:
         with:
           distribution: 'zulu'
           java-version: '12.x'
-      - uses: subosito/flutter-action@6a13bd08366a2aafe8605f064f9d5a42107e6f1f
+      - uses: subosito/flutter-action@d8687e6979e8ef66d2b2970e2c92c1d8e801d7bf
         with:
           channel: ${{ matrix.flutter_version }}
       - run: ./tool/flutter_ci_script_${{ matrix.flutter_version }}.sh
@@ -45,7 +45,7 @@ jobs:
         with:
           distribution: 'zulu'
           java-version: '12.x'
-      - uses: subosito/flutter-action@6a13bd08366a2aafe8605f064f9d5a42107e6f1f
+      - uses: subosito/flutter-action@d8687e6979e8ef66d2b2970e2c92c1d8e801d7bf
         with:
           channel: stable
       - run: ./tool/android_ci_script.sh
@@ -58,7 +58,7 @@ jobs:
         with:
           distribution: 'zulu'
           java-version: '12.x'
-      - uses: subosito/flutter-action@6a13bd08366a2aafe8605f064f9d5a42107e6f1f
+      - uses: subosito/flutter-action@d8687e6979e8ef66d2b2970e2c92c1d8e801d7bf
         with:
           channel: stable
       - run: ./tool/ios_ci_script.sh

.github/workflows/verify-web-demos.yml

@@ -14,7 +14,7 @@ jobs:
         with:
           submodules: true
           fetch-depth: 0
-      - uses: subosito/flutter-action@4389e6cbc6cb8a4b18c628ff96ff90be0e926aa8
+      - uses: subosito/flutter-action@d8687e6979e8ef66d2b2970e2c92c1d8e801d7bf
         with:
           channel: stable
       - name: Init scripts