Merge pull request #17 from rundeck-plugins/renovate/pl.allegro.tech.build.axion-release-1.x

Update plugin pl.allegro.tech.build.axion-release to v1.21.2

Author: fdevans

build.gradle

@@ -1,5 +1,5 @@
 plugins {
-    id 'pl.allegro.tech.build.axion-release' version '1.17.2'
+    id 'pl.allegro.tech.build.axion-release' version '1.21.2'
     id 'io.github.gradle-nexus.publish-plugin' version '2.0.0'
 }