Update gradle.yml

Author: eccentricdevotion

.github/workflows/gradle.yml

@@ -27,9 +27,7 @@ jobs:
         fetch-depth: 0
 
     - name: Get all pushed commits
-      run: |
-        GIT_LOG_CONTENT=$(git log --pretty=format:"%H %s" ${{ github.event.before }}..${{ github.event.after }})
-        echo "GIT_COMMITS=$GIT_LOG_CONTENT" >> $GITHUB_ENV
+      run: echo "GIT_COMMITS=`git log --pretty=format:"%H %s" ${{ github.event.before }}..${{ github.event.after }}`" >> $GITHUB_ENV
 
     - name: Set up JDK 21
       uses: actions/setup-java@v4