Bump kubernetes-credentials from 0.8.0 to 0.9.0

Bumps [kubernetes-credentials](https://github.com/jenkinsci/kubernetes-credentials-plugin) from 0.8.0 to 0.9.0.
- [Release notes](https://github.com/jenkinsci/kubernetes-credentials-plugin/releases)
- [Changelog](https://github.com/jenkinsci/kubernetes-credentials-plugin/blob/master/CHANGELOG.md)
- [Commits](jenkinsci/kubernetes-credentials-plugin@kubernetes-credentials-0.8.0...kubernetes-credentials-0.9.0)

---
updated-dependencies:
- dependency-name: org.jenkinsci.plugins:kubernetes-credentials
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -77,7 +77,7 @@
     <dependency>
       <groupId>org.jenkinsci.plugins</groupId>
       <artifactId>kubernetes-credentials</artifactId>
-      <version>0.8.0</version>
+      <version>0.9.0</version>
     </dependency>
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>