Bump gradle/wrapper-validation-action from 1.0.3 to 1.0.4 (#2309)

Bumps [gradle/wrapper-validation-action](https://github.com/gradle/wrapper-validation-action) from 1.0.3 to 1.0.4.
- [Release notes](https://github.com/gradle/wrapper-validation-action/releases)
- [Commits](gradle/wrapper-validation-action@v1.0.3...v1.0.4)

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

Author: dependabot[bot]

Diff for: .github/workflows/ci.yml

@@ -46,7 +46,7 @@ jobs:
 
     - name: 3. Validate Gradle wrapper
       if: matrix.java == 8 && matrix.mock-maker == 'mock-maker-default' # SINGLE-MATRIX-JOB
-      uses: gradle/wrapper-validation-action@v1.0.3 # https://github.com/gradle/wrapper-validation-action
+      uses: gradle/wrapper-validation-action@v1.0.4 # https://github.com/gradle/wrapper-validation-action
 
     - name: 4. Build and check reproducibility of artifacts (single job only)
       if: matrix.java == 8 && matrix.mock-maker == 'mock-maker-default' # SINGLE-MATRIX-JOB