Bump org.jenkins-ci.main:jenkins-core from 2.525 to 2.528

Bumps [org.jenkins-ci.main:jenkins-core](https://github.com/jenkinsci/jenkins) from 2.525 to 2.528.
- [Release notes](https://github.com/jenkinsci/jenkins/releases)
- [Commits](jenkinsci/jenkins@jenkins-2.525...jenkins-2.528)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.main:jenkins-core
  dependency-version: '2.528'
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -70,7 +70,7 @@
         <dependency>
             <groupId>org.jenkins-ci.main</groupId>
             <artifactId>jenkins-core</artifactId>
-            <version>2.525</version>
+            <version>2.528</version>
             <scope>provided</scope>
         </dependency>
         <dependency>