Include rewrite-jenkins

[sghill]

What's changed?

Added org.openrewrite.recipe:rewrite-jenkins to the recipe configuration

What's your motivation?

Part of the adoption checklist in openrewrite/rewrite-jenkins#4

Anyone you would like to review specifically?

@timtebeek

Have you considered any alternatives or workarounds?

No, but open to any suggestions

Checklist

• I've added unit tests to cover both positive and negative cases - n/a
• I've added the license header to any new files through ./gradlew licenseFormat - no new files
• I've used the IntelliJ auto-formatter on affected files - added through web ui with same formatting
• I've updated the documentation (if applicable) - n/a