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

Bumps [org.kohsuke:github-api](https://github.com/hub4j/github-api) from 1.324 to 1.326.
- [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-1.324...github-api-1.326)

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

Signed-off-by: dependabot[bot] <support@github.com>

releasenotes-builder/pom.xml

@@ -12,7 +12,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.plugin.guava.version>33.3.0-jre</maven.plugin.guava.version>
         <maven.plugin.antrun.version>3.1.0</maven.plugin.antrun.version>
-        <maven.plugin.github-api.version>1.324</maven.plugin.github-api.version>
+        <maven.plugin.github-api.version>1.326</maven.plugin.github-api.version>
         <maven.plugin.jgit.version>6.10.0.202406032230-r</maven.plugin.jgit.version>
         <maven.plugin.slf4j.version>2.0.16</maven.plugin.slf4j.version>
         <maven.plugin.freemarker.version>2.3.33</maven.plugin.freemarker.version>