Update build.yml

Author: oriddd

.github/workflows/build.yml

@@ -29,14 +29,15 @@ jobs:
       run: chmod +x gradlew
     - name: Build with Gradle
       run: ./gradlew build -x test -Pversion=$TP_SDK_VERSION $SDK_BUILD_ARGS
-    
-    - name: Rename uberJAR file name
+    - name: Define uberJAR file name
       if: startsWith(github.ref, 'refs/tags/v')
       run: |
-        cp build/libs/*UBER.jar build/libs/testproject-java-sdk.jar
+        export TP_SDK_JAR_NAME="testproject-java-sdk.jar"
+        echo "TP_SDK_JAR_NAME=testproject-java-sdk.jar" >> $GITHUB_ENV
+        cp build/libs/*UBER.jar build/libs/"${TP_SDK_JAR_NAME}"
     - name: Upload uberJAR workflow artifact
       if: startsWith(github.ref, 'refs/tags/v')
       uses: actions/upload-artifact@v2
       with:
         name: uberJAR.jar
-        path: build/libs/testproject-java-sdk.jar
+        path: build/libs/{{ env.TP_SDK_JAR_NAME }}