Upgrade JDK to 21

Author: ArnyminerZ

.github/workflows/build-kdoc.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 17
+          java-version: 21
           cache: gradle
       - uses: gradle/actions/setup-gradle@v3
 

.github/workflows/codeql.yml

@@ -31,7 +31,7 @@ jobs:
     - uses: actions/setup-java@v4
       with:
         distribution: temurin
-        java-version: 17
+        java-version: 21
         cache: gradle
     - uses: gradle/actions/setup-gradle@v3
 

.github/workflows/test-dev.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 17
+          java-version: 21
           cache: gradle
       - uses: gradle/actions/setup-gradle@v3
 
@@ -28,7 +28,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 17
+          java-version: 21
           cache: gradle
       - uses: gradle/actions/setup-gradle@v3
 

lib/build.gradle.kts

@@ -22,8 +22,8 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_17
-        targetCompatibility = JavaVersion.VERSION_17
+        sourceCompatibility = JavaVersion.VERSION_21
+        targetCompatibility = JavaVersion.VERSION_21
     }
     kotlin {
         jvmToolchain(17)