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/ci.yml

@@ -13,7 +13,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@v2
-            - uses: gradle/wrapper-validation-action@v1.0.3
+            - uses: gradle/wrapper-validation-action@v1.0.4
 
     build:
         if: "! contains(toJSON(github.event.commits.*.message), '[skip ci]')"