Bump plugin from 4.1 to 4.6

Bumps [plugin](https://github.com/jenkinsci/plugin-pom) from 4.1 to 4.6.
- [Release notes](https://github.com/jenkinsci/plugin-pom/releases)
- [Changelog](https://github.com/jenkinsci/plugin-pom/blob/master/CHANGELOG.md)
- [Commits](jenkinsci/plugin-pom@plugin-4.1...plugin-4.6)

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

pom.xml

@@ -29,7 +29,7 @@
   <parent>
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>plugin</artifactId>
-    <version>4.1</version>
+    <version>4.6</version>
     <relativePath />
   </parent>
 
@@ -90,7 +90,7 @@
       <dependency>
         <groupId>io.jenkins.tools.bom</groupId>
         <artifactId>bom-2.176.x</artifactId>
-        <version>9</version>
+        <version>11</version>
         <scope>import</scope>
         <type>pom</type>
       </dependency>