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](https://github.com/gradle/actions/compare/473878a77f1b98e2b5ac4af93489d1656a80a5ed...cc4fc85e6b35bafd578d5ffbc76a5518407e1af0)

---
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/build-postgresql.yml

@@ -45,7 +45,7 @@ jobs:
       - name: Congfigure vega-cli
         run: npm i -g vega-cli --unsafe
       - name: Setup Gradle and Validate Wrapper
-        uses: gradle/actions/setup-gradle@473878a77f1b98e2b5ac4af93489d1656a80a5ed # v4.2.0
+        uses: gradle/actions/setup-gradle@cc4fc85e6b35bafd578d5ffbc76a5518407e1af0 # v4.2.1
         with:
           validate-wrappers: true
       - name: Verify PostgreSQL connection