Bump org.jenkins-ci.plugins:external-monitor-job in /bom-weekly (jenk…

…insci#2481)

Bumps [org.jenkins-ci.plugins:external-monitor-job](https://github.com/jenkinsci/external-monitor-job-plugin) from 207.v98a_a_37a_85525 to 215.v2e88e894db_f8.
- [Release notes](https://github.com/jenkinsci/external-monitor-job-plugin/releases)
- [Changelog](https://github.com/jenkinsci/external-monitor-job-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jenkinsci/external-monitor-job-plugin/commits)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.plugins:external-monitor-job
  dependency-type: direct:production
...

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

bom-weekly/pom.xml

@@ -534,7 +534,7 @@
       <dependency>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>external-monitor-job</artifactId>
-        <version>207.v98a_a_37a_85525</version>
+        <version>215.v2e88e894db_f8</version>
       </dependency>
       <dependency>
         <groupId>org.jenkins-ci.plugins</groupId>