Bump bom-2.263.x from 876.vc43b4c6423b6 to 966.v3857b7c82032

Bumps [bom-2.263.x](https://github.com/jenkinsci/bom) from 876.vc43b4c6423b6 to 966.v3857b7c82032.
- [Release notes](https://github.com/jenkinsci/bom/releases)
- [Commits](https://github.com/jenkinsci/bom/commits)

---
updated-dependencies:
- dependency-name: io.jenkins.tools.bom:bom-2.263.x
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -266,7 +266,7 @@
       <dependency>
         <groupId>io.jenkins.tools.bom</groupId>
         <artifactId>bom-2.263.x</artifactId>
-        <version>876.vc43b4c6423b6</version>
+        <version>966.v3857b7c82032</version>
         <scope>import</scope>
         <type>pom</type>
       </dependency>