Bump gradle/wrapper-validation-action from 1.0.3 to 1.0.4

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

Author: dependabot[bot]

.github/workflows/gradle-wrapper-validation.yml

@@ -7,4 +7,4 @@ jobs:
  runs-on: ubuntu-latest
  steps:
  - uses: actions/checkout@v2.3.4
- - uses: gradle/wrapper-validation-action@v1.0.3
+ - uses: gradle/wrapper-validation-action@v1.0.4