Bump org.jreleaser:jreleaser-maven-plugin from 1.18.0 to 1.21.0

Bumps [org.jreleaser:jreleaser-maven-plugin](https://github.com/jreleaser/jreleaser) from 1.18.0 to 1.21.0.
- [Release notes](https://github.com/jreleaser/jreleaser/releases)
- [Commits](jreleaser/jreleaser@v1.18.0...v1.21.0)

---
updated-dependencies:
- dependency-name: org.jreleaser:jreleaser-maven-plugin
  dependency-version: 1.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -62,7 +62,7 @@
     <maven-deploy-plugin.version>3.1.2</maven-deploy-plugin.version>
     <maven-clean-plugin.version>3.4.0</maven-clean-plugin.version>
     <cyclonedx-maven-plugin.version>2.8.0</cyclonedx-maven-plugin.version>
-    <jreleaser-maven-plugin.version>1.18.0</jreleaser-maven-plugin.version>
+    <jreleaser-maven-plugin.version>1.21.0</jreleaser-maven-plugin.version>
     <versions-maven-plugin.version>2.17.1</versions-maven-plugin.version>
   </properties>