dependency: bump org.kohsuke:github-api in /releasenotes-builder

Bumps [org.kohsuke:github-api](https://github.com/hub4j/github-api) from 1.316 to 1.318.
- [Release notes](https://github.com/hub4j/github-api/releases)
- [Changelog](https://github.com/hub4j/github-api/blob/main/CHANGELOG.md)
- [Commits](hub4j/github-api@github-api-1.316...github-api-1.318)

---
updated-dependencies:
- dependency-name: org.kohsuke:github-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

releasenotes-builder/pom.xml

@@ -12,7 +12,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.plugin.guava.version>32.1.3-jre</maven.plugin.guava.version>
         <maven.plugin.antrun.version>3.1.0</maven.plugin.antrun.version>
-        <maven.plugin.github-api.version>1.316</maven.plugin.github-api.version>
+        <maven.plugin.github-api.version>1.318</maven.plugin.github-api.version>
         <maven.plugin.jgit.version>6.7.0.202309050840-r</maven.plugin.jgit.version>
         <maven.plugin.slf4j.version>2.0.9</maven.plugin.slf4j.version>
         <maven.plugin.freemarker.version>2.3.32</maven.plugin.freemarker.version>