chore: java21

Author: rx-dev

.github/workflows/build.yml

@@ -13,11 +13,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/setup-java@v3
       with:
         distribution: 'temurin' # See 'Supported distributions' for available options
-        java-version: '17'
+        java-version: '21'
         cache: 'gradle'
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew