BlueOcean 1.25.1

• no more use of saucelab (#2210) @olamy

🚀 New features and improvements

• Collect run thread number higher per default (processor number / 2) (#2211) @olamy

📦 Dependency updates

• Bump jackson-core from 2.6.1 to 2.13.0 (#2207) @dependabot
• Bump commons-io from 2.8.0 to 2.11.0 (#2204) @dependabot

📝 Documentation updates

• Doing a small change to watch jdk11 CI running (#2208) @aHenryJard

👻 Maintenance

• build image upgrade ubuntu base 20.04, jdk11 and maven 3.8.3 (#2209) @olamy