Bump io.jenkins.tools.bom:bom-2.426.x

Bumps [io.jenkins.tools.bom:bom-2.426.x](https://github.com/jenkinsci/bom) from 2598.v49e2b_e68d413 to 2675.v1515e14da_7a_6.
- [Release notes](https://github.com/jenkinsci/bom/releases)
- [Commits](https://github.com/jenkinsci/bom/commits)

---
updated-dependencies:
- dependency-name: io.jenkins.tools.bom:bom-2.426.x
  dependency-type: direct:production
...

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

pom.xml

@@ -67,7 +67,7 @@
             <dependency>
                 <groupId>io.jenkins.tools.bom</groupId>
                 <artifactId>bom-2.426.x</artifactId>
-                <version>2598.v49e2b_e68d413</version>
+                <version>2675.v1515e14da_7a_6</version>
                 <scope>import</scope>
                 <type>pom</type>
             </dependency>