Bump bom-2.222.x from 19 to 20

Bumps [bom-2.222.x](https://github.com/jenkinsci/pom) from 19 to 20.
- [Release notes](https://github.com/jenkinsci/pom/releases)
- [Changelog](https://github.com/jenkinsci/pom/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jenkinsci/pom/commits)

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

Author: dependabot[bot]

pom.xml

@@ -102,7 +102,7 @@
 			<dependency>
 				<groupId>io.jenkins.tools.bom</groupId>
 				<artifactId>bom-2.222.x</artifactId>
-				<version>19</version>
+				<version>20</version>
 				<scope>import</scope>
 				<type>pom</type>
 			</dependency>