Merge pull request #206 from rundeck-plugins/renovate/axionrelease

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

Author: fdevans

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-axionRelease = "1.18.17"
+axionRelease = "1.21.2"
 awsSdk = "1.12.780"
 cglib = "3.3.0"
 commonsBeanutils = "1.11.0"