Fix build system

- Adjust until-build to (this time really) support version 211.
- Correct GitHub action to push to the correct branch

.github/workflows/release.yml

@@ -66,5 +66,5 @@ jobs:
       - name: Push changes
         uses: ad-m/github-push-action@master
         with:
-          branch: main
+          branch: master
           github_token: ${{ secrets.GITHUB_TOKEN }}

gradle.properties

@@ -1,13 +1,13 @@
 kpxPluginGroup=de.halirutan.keypromoterx
 kpxPluginName=Key-Promoter-X
-kpxPluginVersion=2021.1
+kpxPluginVersion=2021.1.1
 kpxPluginSinceBuild=203.5981.155
-kpxPluginUntilBuild=203.*
+kpxPluginUntilBuild=211.*
 # Plugin Verifier integration -> https://github.com/JetBrains/gradle-intellij-plugin#plugin-verifier-dsl
 # See https://jb.gg/intellij-platform-builds-list for available build versions
 kpxPluginVerifierIdeVersions=2020.3.2, 2021.1
 platformType=IC
-platformVersion=2020.3.2
+platformVersion=LATEST-EAP-SNAPSHOT
 platformDownloadSources=true
 # Opt-out flag for bundling Kotlin standard library.
 # See https://kotlinlang.org/docs/reference/using-gradle.html#dependency-on-the-standard-library for details.