Update dev_build.yml

Author: FaxHack

.github/workflows/dev_build.yml

@@ -15,6 +15,8 @@ jobs:
         with:
           java-version: 21
           distribution: adopt
+      - name: Ensure Gradlew is Executable
+        run: chmod +x gradlew
       - name: Build with Gradle
         run: ./gradlew build
       - name: Grab Release Tag