Bump gradle/gradle-build-action from 2.8.0 to 2.8.1

Bumps [gradle/gradle-build-action](https://github.com/gradle/gradle-build-action) from 2.8.0 to 2.8.1.
- [Release notes](https://github.com/gradle/gradle-build-action/releases)
- [Commits](gradle/gradle-build-action@ef76a97...b5126f3)

---
updated-dependencies:
- dependency-name: gradle/gradle-build-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/gradle-testing.yaml

@@ -29,7 +29,7 @@ jobs:
           java-version: ${{ inputs.java-version }}
           distribution: ${{ inputs.java-distribution }}
       - uses: gradle/wrapper-validation-action@56b90f209b02bf6d1deae490e9ef18b21a389cd4 # v1.1.0
-      - uses: gradle/gradle-build-action@ef76a971e2fa3f867b617efd72f2fbd72cf6f8bc # v2.8.0
+      - uses: gradle/gradle-build-action@b5126f31dbc19dd434c3269bf8c28c315e121da2 # v2.8.1
         with:
           arguments: ${{ inputs.arguments }}
           gradle-home-cache-cleanup: true

.github/workflows/gradle-wrapper-update.yaml

@@ -43,7 +43,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: gradle/wrapper-validation-action@56b90f209b02bf6d1deae490e9ef18b21a389cd4 # v1.1.0
-      - uses: gradle/gradle-build-action@ef76a971e2fa3f867b617efd72f2fbd72cf6f8bc # v2.8.0
+      - uses: gradle/gradle-build-action@b5126f31dbc19dd434c3269bf8c28c315e121da2 # v2.8.1
         with:
           gradle-home-cache-cleanup: true
       - name: 'Update `gradle-wrapper.properties`'