build(deps): bump de.jutzig:github-release-plugin from 1.5.1 to 1.6.0

Bumps [de.jutzig:github-release-plugin](https://github.com/jutzig/github-release-plugin) from 1.5.1 to 1.6.0.
- [Release notes](https://github.com/jutzig/github-release-plugin/releases)
- [Changelog](https://github.com/jutzig/github-release-plugin/blob/master/release.md)
- [Commits](jutzig/github-release-plugin@v1.5.1...v1.6.0)

---
updated-dependencies:
- dependency-name: de.jutzig:github-release-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

exist-parent/pom.xml

@@ -938,7 +938,7 @@
                 <plugin>
                     <groupId>de.jutzig</groupId>
                     <artifactId>github-release-plugin</artifactId>
-                    <version>1.5.1</version>
+                    <version>1.6.0</version>
                 </plugin>
                 <plugin>
                     <groupId>org.eluder.coveralls</groupId>