Update gradle/actions action to v4 (#43)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build.yml

@@ -12,7 +12,7 @@ jobs:
           java-version: 11
           distribution: temurin
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v3
+        uses: gradle/actions/setup-gradle@v4
       - name: Build
         run: ./gradlew build
 
@@ -31,7 +31,7 @@ jobs:
           java-version: 11
           distribution: temurin
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v3
+        uses: gradle/actions/setup-gradle@v4
       - name: Test PostgreSQL versions
         run: ./gradlew :postgres-cdc:test
         env:

.github/workflows/publish.yml

@@ -20,7 +20,7 @@ jobs:
           java-version: 11
           distribution: temurin
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v3
+        uses: gradle/actions/setup-gradle@v4
       - name: Publish
         run: ./gradlew publish --no-configuration-cache
         env: