update jdk 19 -> 21

Signed-off-by: Neko Qiqi <lingqiqi233@gmail.com>

Author: lingqiqi5211

.github/workflows/android.yml

@@ -25,10 +25,10 @@ jobs:
           fetch-depth: 0
           submodules: true
 
-      - name: Set up JDK 20
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          java-version: '20'
+          java-version: '21'
           distribution: 'temurin'
           cache: gradle
 

.github/workflows/android_pr.yml

@@ -25,10 +25,10 @@ jobs:
           fetch-depth: 0
           submodules: true
 
-      - name: Set up JDK 20
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          java-version: '20'
+          java-version: '21'
           distribution: 'temurin'
           cache: gradle
 

app/build.gradle

@@ -141,12 +141,12 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_19
-        targetCompatibility JavaVersion.VERSION_19
+        sourceCompatibility JavaVersion.VERSION_21
+        targetCompatibility JavaVersion.VERSION_21
     }
 
     kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_19.toString()
+        jvmTarget = JavaVersion.VERSION_21.toString()
     }
 
 }