Use Gradle wrapper in Gitea integrations workflow

.gitea/workflows/integrations.yml

@@ -30,10 +30,10 @@ jobs:
           test "$(uname -s)" = Linux
           command -v java
           java -version 2>&1 | grep -q '21\.' || { echo 'Paper needs Java 21'; exit 1; }
-      - uses: gradle/actions/setup-gradle@v4
-        with:
-          gradle-version: '8.10.2'
-      - run: gradle -p integrations :common:test :paper:build -PreleaseVersion="${{ inputs.version || '0.5.0' }}"
+      - name: Build Paper with Gradle 8.10.2
+        run: |
+          sed -i 's/gradle-9.6.0-bin.zip/gradle-8.10.2-bin.zip/' integrations/gradle/wrapper/gradle-wrapper.properties
+          integrations/gradlew -p integrations :common:test :paper:build -PreleaseVersion="${{ inputs.version || '0.5.0' }}"
       - uses: actions/upload-artifact@v4
         with:
           name: server-paper
@@ -69,16 +69,14 @@ jobs:
           test "$(uname -s)" = Linux
           command -v java
           java -version 2>&1 | grep -q '${{ matrix.mc.java }}\.' || { echo 'Wrong Java version for this matrix entry'; exit 1; }
-      - uses: gradle/actions/setup-gradle@v4
-        with:
-          gradle-version: ${{ matrix.mc.gradle }}
       - name: Build both loaders
         run: |
+          sed -i 's/gradle-9.6.0-bin.zip/gradle-${{ matrix.mc.gradle }}-bin.zip/' integrations/gradle/wrapper/gradle-wrapper.properties
           for loader in fabric forge; do
-            gradle -p integrations -Ploader="$loader" -PmcVersion=${{ matrix.mc.version }} -PreleaseVersion="${{ inputs.version || '0.5.0' }}" :"$loader":build
+            integrations/gradlew -p integrations -Ploader="$loader" -PmcVersion=${{ matrix.mc.version }} -PreleaseVersion="${{ inputs.version || '0.5.0' }}" :"$loader":build
           done
       - name: Audit Fabric startup hooks
-        run: gradle -p integrations -Ploader=fabric -PmcVersion=${{ matrix.mc.version }} -PreleaseVersion="${{ inputs.version || '0.5.0' }}" -PverifyMixins=true :fabric:runServer
+        run: integrations/gradlew -p integrations -Ploader=fabric -PmcVersion=${{ matrix.mc.version }} -PreleaseVersion="${{ inputs.version || '0.5.0' }}" -PverifyMixins=true :fabric:runServer
       - uses: actions/upload-artifact@v4
         with:
           name: server-mods-${{ matrix.mc.version }}