Bump io.jenkins.tools.bom:bom-2.504.x (#1125)

Bumps [io.jenkins.tools.bom:bom-2.504.x](https://github.com/jenkinsci/bom) from 5388.v3ea_2e00a_719a_ to 5506.va_222b_131ec34.
- [Release notes](https://github.com/jenkinsci/bom/releases)
- [Commits](https://github.com/jenkinsci/bom/commits)

---
updated-dependencies:
- dependency-name: io.jenkins.tools.bom:bom-2.504.x
  dependency-version: 5506.va_222b_131ec34
  dependency-type: direct:production
...

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Author: dependabot[bot]

pom.xml

@@ -69,7 +69,7 @@
             <dependency>
                 <groupId>io.jenkins.tools.bom</groupId>
                 <artifactId>bom-${jenkins.baseline}.x</artifactId>
-                <version>5388.v3ea_2e00a_719a_</version>
+                <version>5543.vfd758c7c868d</version>
                 <scope>import</scope>
                 <type>pom</type>
             </dependency>