Merge pull request #30 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 = "1.18.18"
+axionRelease = "1.21.2"
 groovy = "4.0.32"
 rundeckCore = "6.0.0-alpha1-20260407"
 nexusPublish = "2.0.0"