Bump kubernetes-client-api

Bumps [kubernetes-client-api](https://github.com/jenkinsci/kubernetes-client-api-plugin) from 5.11.2-182.v0f1cf4c5904e to 5.12.1-187.v577c3e368fb_6.
- [Release notes](https://github.com/jenkinsci/kubernetes-client-api-plugin/releases)
- [Commits](https://github.com/jenkinsci/kubernetes-client-api-plugin/commits)

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

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

Author: dependabot[bot]

pom.xml

@@ -55,7 +55,7 @@
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>
       <artifactId>kubernetes-client-api</artifactId>
-      <version>5.11.2-182.v0f1cf4c5904e</version>
+      <version>5.12.1-187.v577c3e368fb_6</version>
     </dependency>
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>