Bump io.jenkins.tools.bom:bom-2.504.x

Bumps [io.jenkins.tools.bom:bom-2.504.x](https://github.com/jenkinsci/bom) from 4890.vfca_82c6741a_d to 5577.vea_979d35b_b_ff.
- [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: 5577.vea_979d35b_b_ff
  dependency-type: direct:production
...

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

Author: dependabot[bot]

plugin/pom.xml

@@ -27,7 +27,7 @@
       <dependency>
         <groupId>io.jenkins.tools.bom</groupId>
         <artifactId>bom-${jenkins.baseline}.x</artifactId>
-        <version>4890.vfca_82c6741a_d</version>
+        <version>5577.vea_979d35b_b_ff</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>

ui-tests/pom.xml

@@ -23,7 +23,7 @@
       <dependency>
         <groupId>io.jenkins.tools.bom</groupId>
         <artifactId>bom-${jenkins.baseline}.x</artifactId>
-        <version>4890.vfca_82c6741a_d</version>
+        <version>5577.vea_979d35b_b_ff</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>