updating kotlin version, updating release behavior

Author: Jolanrensen

.github/workflows/publish_release_version.yml

@@ -1,11 +1,8 @@
 name: Deploy release version to Maven Central
 
 on:
-#  release: TODO temporary, revert to this after 1.2.1 release
-#    types: [created]
-  push:
-    branches:
-      - "release"
+  release:
+    types: [created]
 
 jobs:
   build-and-deploy-mvn-central:

buildSrc/src/main/kotlin/Versions.kt

@@ -1,7 +1,7 @@
 object Versions {
     const val project = "1.2.2-SNAPSHOT"
     const val groupID = "org.jetbrains.kotlinx.spark"
-    const val kotlin = "1.7.10"
+    const val kotlin = "1.7.20"
     const val jvmTarget = "11"
 
     inline val spark get() = System.getProperty("spark") as String