Bump bootstrap5-api from 5.1.0-2 to 5.1.1-1

Bumps [bootstrap5-api](https://github.com/jenkinsci/bootstrap5-api-plugin) from 5.1.0-2 to 5.1.1-1.
- [Release notes](https://github.com/jenkinsci/bootstrap5-api-plugin/releases)
- [Changelog](https://github.com/jenkinsci/bootstrap5-api-plugin/blob/master/CHANGELOG.md)
- [Commits](jenkinsci/bootstrap5-api-plugin@v5.1.0-2...v5.1.1-1)

---
updated-dependencies:
- dependency-name: io.jenkins.plugins:bootstrap5-api
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -25,7 +25,7 @@
 
     <jquery3-api.version>3.5.1-3</jquery3-api.version>
     <font-awesome-api.version>5.15.4-1</font-awesome-api.version>
-    <bootstrap5-api.version>5.1.0-2</bootstrap5-api.version>
+    <bootstrap5-api.version>5.1.1-1</bootstrap5-api.version>
     <plugin-util-api.version>2.4.0</plugin-util-api.version>
   </properties>