Bump org.jenkins-ci.plugins:cloudbees-folder in /bom-weekly (#4088)

Bumps [org.jenkins-ci.plugins:cloudbees-folder](https://github.com/jenkinsci/cloudbees-folder-plugin) from 6.969.v7d22c6eb_fde1 to 6.971.v9a_984fd08864.
- [Release notes](https://github.com/jenkinsci/cloudbees-folder-plugin/releases)
- [Commits](https://github.com/jenkinsci/cloudbees-folder-plugin/commits)

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

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

bom-weekly/pom.xml

@@ -14,7 +14,7 @@
     <blueocean-plugin.version>1.27.16</blueocean-plugin.version>
     <branch-api-plugin.version>2.1200.v4b_a_3da_2eb_db_4</branch-api-plugin.version>
     <checks-api.version>2.2.1</checks-api.version>
-    <cloudbees-folder-plugin.version>6.969.v7d22c6eb_fde1</cloudbees-folder-plugin.version>
+    <cloudbees-folder-plugin.version>6.971.v9a_984fd08864</cloudbees-folder-plugin.version>
     <configuration-as-code-plugin.version>1903.v004d55388f30</configuration-as-code-plugin.version>
     <data-tables-api.version>2.1.8-1</data-tables-api.version>
     <declarative-pipeline-migration-assistant-plugin.version>1.6.4</declarative-pipeline-migration-assistant-plugin.version>