Fix JDK version typo and standardize java-version format

Author: fdevans

.github/workflows/gradle.yml

@@ -14,10 +14,10 @@ jobs:
       - name: Get Fetch Tags
         run: git -c protocol.version=2 fetch --tags --progress --no-recurse-submodules origin
         if: "!contains(github.ref, 'refs/tags')"
-      - name: Set up JDK 17.8
+      - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
-          java-version: 17
+          java-version: '17'
           distribution: 'zulu'
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew
@@ -27,7 +27,7 @@ jobs:
         id: get_version
         run: VERSION=$(./gradlew currentVersion -q -Prelease.quiet) && echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
       - name: Upload plugin jar
-        uses: actions/upload-artifact@v4.4.1
+        uses: actions/upload-artifact@v4
         with:
           # Artifact name
           name: Grails-Plugin-${{ steps.get_version.outputs.VERSION }}