Update java version on CI

.gitea/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
   build:
     strategy:
       matrix:
-        java: [ '17' ]
+        java: [ '21' ]
         os: [ ubuntu-latest ]
     runs-on: ${{ matrix.os }}
     steps:
@@ -32,7 +32,7 @@ jobs:
         uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.java }}
-          distribution: 'oracle'
+          distribution: 'temurin'
       - uses: actions/cache@v3
         with:
           path: |
@@ -51,7 +51,7 @@ jobs:
   deploy:
     strategy:
       matrix:
-        java: [ '17' ]
+        java: [ '21' ]
         os: [ ubuntu-latest ]
     runs-on: ${{ matrix.os }}
     if: ${{ gitea.ref == 'refs/heads/master' && gitea.event_name == 'push' }}
@@ -65,7 +65,7 @@ jobs:
         uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.java }}
-          distribution: 'oracle'
+          distribution: 'temurin'
       - name: make gradle wrapper executable
         if: ${{ runner.os != 'Windows' }}
         run: |