Bump io.jenkins.tools.bom:bom-2.528.x (#1885)

Bumps [io.jenkins.tools.bom:bom-2.528.x](https://github.com/jenkinsci/bom) from 6251.vee65a_6f54de8 to 6293.vf1a_767c2069e.
- [Release notes](https://github.com/jenkinsci/bom/releases)
- [Commits](https://github.com/jenkinsci/bom/commits)

---
updated-dependencies:
- dependency-name: io.jenkins.tools.bom:bom-2.528.x
  dependency-version: 6293.vf1a_767c2069e
  dependency-type: direct:production
...

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