ci: test against latest Java versions

Author: jGleitz

.github/workflows/ci.yml

@@ -2,7 +2,7 @@ name: CI
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
 
 jobs:
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java-version: [ 8, 11, 16 ]
+        java-version: [ 8, 11, 17, 21, 24 ]
     steps:
       - name: Checkout
         uses: actions/checkout@v4

build.gradle.kts

@@ -73,7 +73,7 @@ tasks.withType<DokkaTask> {
 	dokkaSourceSets.named("main") {
 		sourceLink {
 			localDirectory.set(file("src/main/kotlin"))
-			remoteUrl.set(uri("https://github.com/$githubRepository/blob/master/src/main/kotlin").toURL())
+			remoteUrl.set(uri("https://github.com/$githubRepository/blob/main/src/main/kotlin").toURL())
 			remoteLineSuffix.set("#L")
 		}
 	}