Bump the runtime-dependencies group with 2 updates

Bumps the runtime-dependencies group with 2 updates: [org.jenkins-ci.main:jenkins-core](https://github.com/jenkinsci/jenkins) and [org.jenkins-ci.plugins:credentials-binding](https://github.com/jenkinsci/credentials-binding-plugin).


Updates `org.jenkins-ci.main:jenkins-core` from 2.517 to 2.521
- [Release notes](https://github.com/jenkinsci/jenkins/releases)
- [Commits](jenkinsci/jenkins@jenkins-2.517...jenkins-2.521)

Updates `org.jenkins-ci.plugins:credentials-binding` from 687.689.v1a_f775332fc9 to 702.vfe613e537e88
- [Release notes](https://github.com/jenkinsci/credentials-binding-plugin/releases)
- [Changelog](https://github.com/jenkinsci/credentials-binding-plugin/blob/master/old-changelog.md)
- [Commits](https://github.com/jenkinsci/credentials-binding-plugin/commits)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.main:jenkins-core
  dependency-version: '2.521'
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: runtime-dependencies
- dependency-name: org.jenkins-ci.plugins:credentials-binding
  dependency-version: 702.vfe613e537e88
  dependency-type: direct:production
  dependency-group: runtime-dependencies
...

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>2.517</version>
+            <version>2.521</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
@@ -87,7 +87,7 @@
         <dependency>
             <groupId>org.jenkins-ci.plugins</groupId>
             <artifactId>credentials-binding</artifactId>
-            <version>687.689.v1a_f775332fc9</version>
+            <version>702.vfe613e537e88</version>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>