Bump Kotlin to version 2.1.20

.github/workflows/bld.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         java-version: [17, 21, 24]
-        kotlin-version: [1.9.25, 2.0.21, 2.1.10]
+        kotlin-version: [1.9.25, 2.0.21, 2.1.20]
 
     steps:
       - name: Checkout source repository

examples/src/bld/java/com/example/ExampleBuild.java

@@ -28,7 +28,7 @@ public class ExampleBuild extends Project {
 
         repositories = List.of(MAVEN_LOCAL, MAVEN_CENTRAL, RIFE2_RELEASES);
 
-        final var kotlin = version(2, 1, 10);
+        final var kotlin = version(2, 1, 20);
         scope(compile)
                 .include(dependency("org.jetbrains.kotlin", "kotlin-stdlib", kotlin));
         scope(test)

scripts/checkcliargs.sh

@@ -4,7 +4,7 @@ new=/tmp/checkcliargs-new
 old=/tmp/checkcliargs-old
 
 kotlinc -h 2>$new
-~/.sdkman/candidates/kotlin/2.1.0/bin/kotlinc -h 2>$old
+~/.sdkman/candidates/kotlin/2.1.10/bin/kotlinc -h 2>$old
 
 code --diff --wait $old $new