Update Kotlin version in WFs

Author: k163377

.github/workflows/dep_build_v2.yml

@@ -16,7 +16,7 @@ jobs:
       matrix:
         java_version: ['8', '17', '21', '23']
         # Versions need to align with ones in 'main.yml' workflow
-        kotlin_version: ['1.9.24', '2.0.21', '2.1.10']
+        kotlin_version: ['1.9.24', '2.0.21', '2.1.20']
     env:
       JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
     steps:

.github/workflows/dep_build_v3.yml

@@ -16,7 +16,7 @@ jobs:
       matrix:
         java_version: ['17', '21', '23']
         # Versions need to align with ones in 'main.yml' workflow
-        kotlin_version: ['1.9.24', '2.0.21', '2.1.10']
+        kotlin_version: ['1.9.24', '2.0.21', '2.1.20']
     env:
       JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
     steps:

.github/workflows/main.yml

@@ -28,7 +28,7 @@ jobs:
       max-parallel: 5
       matrix:
         java_version: ['8', '11', '17', '21', '23']
-        kotlin_version: ['1.9.25', '2.0.21', '2.1.10']
+        kotlin_version: ['1.9.25', '2.0.21', '2.1.20']
         include:
           - java_version: '8'
             kotlin_version: '1.9.25'