use java 21 for build

Author: amiralimollaei

.github/workflows/build.yml

@@ -11,11 +11,11 @@ jobs:
         uses: actions/checkout@v6
       - name: Validate Gradle Wrapper
         uses: gradle/actions/wrapper-validation@v3
-      - name: Set up JDK 25
+      - name: Set up JDK 21
         uses: actions/setup-java@v5
         with:
           distribution: 'temurin'
-          java-version: 25
+          java-version: 21
           check-latest: true
       - name: Build with Gradle
         run: ./gradlew build

.github/workflows/publish.yml

@@ -16,11 +16,11 @@ jobs:
       - name: Validate Gradle Wrapper
         uses: gradle/actions/wrapper-validation@v3
 
-      - name: Set up JDK 25
+      - name: Set up JDK 21
         uses: actions/setup-java@v5
         with:
           distribution: 'temurin'
-          java-version: 25
+          java-version: 21
           check-latest: true
 
       - name: make gradle wrapper executable