Polish "Bump gradle/actions from 4.1.0 to 4.2.1"

See gh-43212

Author: mhalbritter

.github/actions/prepare-gradle-build/action.yml

@@ -42,12 +42,12 @@ runs:
           ${{ inputs.java-toolchain == 'true' && '17' || '' }}
     - name: Set Up Gradle With Read/Write Cache
       if: ${{ inputs.cache-read-only == 'false' }}
-      uses: gradle/actions/setup-gradle@d156388eb19639ec20ade50009f3d199ce1e2808 # v4.1.0
+      uses: gradle/actions/setup-gradle@cc4fc85e6b35bafd578d5ffbc76a5518407e1af0 # v4.2.1
       with:
         cache-read-only: false
         develocity-access-key: ${{ inputs.develocity-access-key }}
     - name: Set Up Gradle
-      uses: gradle/actions/setup-gradle@d156388eb19639ec20ade50009f3d199ce1e2808 # v4.1.0
+      uses: gradle/actions/setup-gradle@cc4fc85e6b35bafd578d5ffbc76a5518407e1af0 # v4.2.1
       with:
         develocity-access-key: ${{ inputs.develocity-access-key }}
         develocity-token-expiry: 4