Make all jobs interruptible except the 'dont-interrupt-me' job

What does this MR do?

Make all jobs interruptible by default except for the new dont-interrupt-me job which runs automatically on master and is manual otherwise.

Screenshots

1. Pushed a first commit, pipeline started.

2. Pushed a second commit, first pipeline was cancelled, and new pipeline started:

   

3. Played the dont-interrupt-me job on the second pipeline.

4. Pushed a third commit, second pipeline wasn't cancelled, and new pipeline started:

   

Does this MR meet the acceptance criteria?

Conformity

• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• [-] Database guides
• Separation of EE specific content

Closes #210058 (closed)