Bump gradle/actions from 4.2.0 to 4.2.1

Bumps [gradle/actions](https://github.com/gradle/actions) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/gradle/actions/releases)
- [Commits](gradle/actions@473878a...cc4fc85)

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

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

.github/workflows/check_transport.yml

@@ -51,7 +51,7 @@ jobs:
             transport: native
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
-      - uses: gradle/actions/wrapper-validation@473878a77f1b98e2b5ac4af93489d1656a80a5ed
+      - uses: gradle/actions/wrapper-validation@cc4fc85e6b35bafd578d5ffbc76a5518407e1af0
       - name: Set up JDK 1.8
         uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b
         with: