Update gradle/gradle-build-action digest to 04b20c0

Author: renovate[bot]

.github/workflows/maven-publish.yml

@@ -28,7 +28,7 @@ jobs:
           java-version: '17'
           distribution: 'temurin'
       - name: Publish package
-        uses: gradle/gradle-build-action@db35f2304698ac6ff98958322dfd3db0a5da9fdf
+        uses: gradle/gradle-build-action@04b20c065cf1ab708c96e64a8811018d0a1fbc88
         with:
           arguments: publishToSonatype closeAndReleaseSonatypeStagingRepository
         env: