Bump org.jenkins-ci.plugins:credentials in /bom-weekly (#2272)

Bumps [org.jenkins-ci.plugins:credentials](https://github.com/jenkinsci/credentials-plugin) from 1254.vb_96f366e7b_a_d to 1268.v3f0d043d60e9.
- [Release notes](https://github.com/jenkinsci/credentials-plugin/releases)
- [Changelog](https://github.com/jenkinsci/credentials-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jenkinsci/credentials-plugin/commits)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.plugins:credentials
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

bom-weekly/pom.xml

@@ -342,7 +342,7 @@
       <dependency>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>credentials</artifactId>
-        <version>1254.vb_96f366e7b_a_d</version>
+        <version>1268.v3f0d043d60e9</version>
       </dependency>
       <dependency>
         <groupId>org.jenkins-ci.plugins</groupId>