Bump Java to version 17 (#344)

Author: blockvote

Diff for: .github/workflows/build-test-coverage.yml

@@ -6,10 +6,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Setup Java 11
+      - name: Setup Java 17
         uses: actions/setup-java@v4
         with:
-          java-version: 11
+          java-version: 17
           distribution: adopt
       - uses: gradle/gradle-build-action@v3
         env:

Diff for: build.gradle.kts

@@ -42,7 +42,7 @@ subprojects {
 
     tasks {
         withType<KotlinCompile> {
-            kotlinOptions.jvmTarget = "11"
+            kotlinOptions.jvmTarget = "17"
         }
 
         withType<Test> {