Fix for workflow (4)

Author: mnordahl

.github/workflows/release.yml

@@ -25,15 +25,17 @@ jobs:
       - name: Set TAG_NAME and JAR_NAME environment variable
         run: |
           echo "TAG_NAME=${GITHUB_REF#refs/tags/release_}" >> $GITHUB_ENV
-          echo "JAR_NAME=c3pu-$TAG_NAME.jar" >> $GITHUB_ENV
+          echo "JAR_NAME=c3pu-${{ env.TAG_NAME }}.jar" >> $GITHUB_ENV
         env:
           GITHUB_REF: ${{ github.ref }}
 
       - name: Build with Gradle
         run: ./gradlew build
 
       - name: Rename JAR File
-        run: mv build/libs/c3pu-*.jar build/libs/${{ env.JAR_NAME }}
+        run: |
+          echo "Renaming JAR file to ${{ env.JAR_NAME }}"
+          mv build/libs/c3pu-*.jar build/libs/${{ env.JAR_NAME }}
 
       - name: Create Release
         id: create_release