Updating to use v4 of upload-artifact

Author: EdKingscote

.github/workflows/gradle.yml

@@ -26,7 +26,7 @@ jobs:
         id: get_version
         run: VERSION=$(./gradlew currentVersion -q -Prelease.quiet) && echo ::set-output name=VERSION::$VERSION
       - name: Upload artifact zip
-        uses: actions/upload-artifact@v1.0.0
+        uses: actions/upload-artifact@v4.0.0
         with:
           # Artifact name
           name: aws-ec2-ice-node-execution-${{ steps.get_version.outputs.VERSION }}