Update deployBack.yml

Author: JONG-KYEONG

.github/workflows/deployBack.yml

@@ -21,9 +21,13 @@ jobs:
       with:
         java-version: '17'
         distribution: 'temurin'
-    - name: Change to project directory
-      run: cd ./server
+    - name: Generate Gradle Wrapper
+      run: gradle wrapper
+      working-directory: path/to/your/project
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
+      working-directory: ./server
+    - name: Change to project directory
+      run: cd path/to/your/project
     - name: Build with Gradle
       run: ./gradlew clean build --exclude-task test