Use Java 17

Author: jjohannes

.github/workflows/ci-build.yml

@@ -16,7 +16,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 11
+          java-version: 17
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
       - run: "./gradlew quickCheck"

.github/workflows/cross-version-tests.yml

@@ -19,7 +19,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 11
+          java-version: 17
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
       - run: "./gradlew test${{ matrix.gradleVersion }}"

.github/workflows/gh-pages.yml

@@ -27,7 +27,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: zulu
-          java-version: 11
+          java-version: 17
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
       - run: "./gradlew :asciidoctor --no-configuration-cache"

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 11
+          java-version: 17
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
       - run: "./gradlew :publishPlugin --no-configuration-cache"

build.gradle.kts

@@ -9,7 +9,7 @@ group = "org.gradlex"
 version = "2.2"
 
 java {
-    toolchain.languageVersion = JavaLanguageVersion.of(11) // to run tests that use Android with 11
+    toolchain.languageVersion = JavaLanguageVersion.of(17)
 }
 
 tasks.withType<JavaCompile>().configureEach {