chore: cache builds

Author: confuser

.github/workflows/build.yml

@@ -34,14 +34,21 @@ jobs:
       - name: Setup Gradle
         uses: gradle/gradle-build-action@v2
 
+      - uses: actions/cache@v4
+        with:
+          path: |
+            .gradle/loom-cache
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/libs.versions.*', '**/*.gradle*', '**/gradle-wrapper.properties') }}
+          restore-keys: ${{ runner.os }}-gradle-${{ matrix.java }}-
+
       - name: Execute Gradle build
         env:
           STORAGE_TYPE: ${{ matrix.storageType }}
         run: ./gradlew build --info
 
       - name: Publish to Maven Central
         # only publish once
-        if: github.ref == 'refs/heads/master' && matrix.java == '8' && matrix.storageType == 'h2'
+        if: github.ref == 'refs/heads/master' && matrix.java == '21' && matrix.storageType == 'mariadb'
         env:
           ORG_GRADLE_PROJECT_sonatypeUsername: ${{ secrets.ORG_GRADLE_PROJECT_SONATYPEUSERNAME }}
           ORG_GRADLE_PROJECT_sonatypePassword: ${{ secrets.ORG_GRADLE_PROJECT_SONATYPEPASSWORD }}