Upgrade Kotlin dep to 2.0.21

Author: k163377

.github/workflows/dep_build_v2.yml

@@ -16,7 +16,7 @@ jobs:
       matrix:
         java_version: ['8', '17', '21', '24']
         # Versions need to align with ones in 'main.yml' workflow
-        kotlin_version: ['1.9.24', '2.0.21', '2.1.20']
+        kotlin_version: ['2.0.21', '2.1.20']
     env:
       JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
     steps:

.github/workflows/dep_build_v3.yml

@@ -14,7 +14,7 @@ jobs:
       matrix:
         java_version: ['17', '21', '24']
         # Versions need to align with ones in 'main.yml' workflow
-        kotlin_version: ['1.9.24', '2.0.21', '2.1.20']
+        kotlin_version: ['2.0.21', '2.1.20']
     env:
       JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
     steps:

.github/workflows/main.yml

@@ -22,10 +22,10 @@ jobs:
       max-parallel: 5
       matrix:
         java_version: ['8', '11', '17', '21', '24']
-        kotlin_version: ['1.9.25', '2.0.21', '2.1.20']
+        kotlin_version: ['2.0.21', '2.1.20']
         include:
           - java_version: '8'
-            kotlin_version: '1.9.25'
+            kotlin_version: '2.0.21'
             release_build: 'R'
     env:
       JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"

pom.xml

@@ -62,7 +62,7 @@
         <javac.src.version>1.8</javac.src.version>
         <javac.target.version>1.8</javac.target.version>
 
-        <version.kotlin>1.9.25</version.kotlin>
+        <version.kotlin>2.0.21</version.kotlin>
 
         <!-- Generate PackageVersion.java into this directory. -->
         <packageVersion.dir>com/fasterxml/jackson/module/kotlin</packageVersion.dir>