Fix build

Author: Dreeam-qwq

.github/workflows/build.yml

@@ -17,14 +17,16 @@ jobs:
           java-version: 21
           distribution: temurin
 
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
       - name: Build GSit
-        run: mvn clean package
+        run: ./gradlew build
 
       - name: Release GSit
         uses: marvinpinto/action-automatic-releases@master
         with:
           title: "GSit"
           automatic_release_tag: "build"
           repo_token: "${{ secrets.GITHUB_TOKEN }}"
-          files: "target/*.jar"
+          files: "build/libs/*.jar"
           prerelease: true