Bump quarkus-github-app.version from 2.5.1 to 2.6.0

Bumps `quarkus-github-app.version` from 2.5.1 to 2.6.0.

Updates `io.quarkiverse.githubapp:quarkus-github-app` from 2.5.1 to 2.6.0
- [Release notes](https://github.com/quarkiverse/quarkus-github-app/releases)
- [Commits](quarkiverse/quarkus-github-app@2.5.1...2.6.0)

Updates `io.quarkiverse.githubapp:quarkus-github-app-testing` from 2.5.1 to 2.6.0
- [Release notes](https://github.com/quarkiverse/quarkus-github-app/releases)
- [Commits](quarkiverse/quarkus-github-app@2.5.1...2.6.0)

---
updated-dependencies:
- dependency-name: io.quarkiverse.githubapp:quarkus-github-app
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.quarkiverse.githubapp:quarkus-github-app-testing
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -56,7 +56,7 @@
         <quarkus.platform.artifact-id>quarkus-bom</quarkus.platform.artifact-id>
         <quarkus.platform.group-id>io.quarkus.platform</quarkus.platform.group-id>
         <quarkus.platform.version>3.11.2</quarkus.platform.version>
-        <quarkus-github-app.version>2.5.1</quarkus-github-app.version>
+        <quarkus-github-app.version>2.6.0</quarkus-github-app.version>
         <quarkus.mailpit.version>1.1.0</quarkus.mailpit.version>
         <!-- Libraries -->
         <assertj.version>3.26.0</assertj.version>