chore(deps): bump org.jenkins-ci.plugins:sonar in /bom-weekly (#4336)

Bumps [org.jenkins-ci.plugins:sonar](https://github.com/jenkinsci/sonarqube-plugin) from 2.17.3 to 2.18.
- [Commits](jenkinsci/sonarqube-plugin@sonar-2.17.3...sonar-2.18)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.plugins:sonar
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

bom-weekly/pom.xml

@@ -1405,7 +1405,7 @@
       <dependency>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>sonar</artifactId>
-        <version>2.17.3</version>
+        <version>2.18</version>
       </dependency>
       <dependency>
         <groupId>org.jenkins-ci.plugins</groupId>