add bumping WMCore version script.

[sinonkt]

Note that this is just the draft script that bumping wmcore version on both CRABServer and TaskWorker.
Once reviewed the bumping will be made before merged pull request. #8880

[cmsdmwmbot]

Jenkins results:

• Python3 Pylint check: succeeded
• Pycodestyle check: succeeded

Details at https://cmssdt.cern.ch/dmwm-jenkins/view/All/job/DMWM-CRABServer-PR-test/2335/artifact/artifacts/PullRequestReport.html

[belforte]

Let's put this in the cicd directory. For some historical reasons CRABServer/scripts contains scripts to be executed by remote jobs and some odd things in scripts/Monitor and scripts/Utils which need to be removed as obsolete or moved elsewhere.

[cmsdmwmbot]

Jenkins results:

• Python3 Pylint check: succeeded
• Pycodestyle check: succeeded

Details at https://cmssdt.cern.ch/dmwm-jenkins/view/All/job/DMWM-CRABServer-PR-test/2339/artifact/artifacts/PullRequestReport.html

[belforte]

Good ! But as indicated in the comment, have pity of those with primitive bash skills who may still want/need-to understdand

[belforte]

this is quite a "bash masterpiece", took me a while to understand what it does. Please add some comment describing what it does, to help future maintainers. Something along the line of ... make sure pwd is part of the CRABServer repository tree and set wdir to point to the top dir of the repo, i.e. a description in English of what you want to achieve, not how.

[sinonkt]

Acknowledge, Stefano!

[cmsdmwmbot]

Jenkins results:

• Python3 Pylint check: succeeded
• Pycodestyle check: succeeded

Details at https://cmssdt.cern.ch/dmwm-jenkins/view/All/job/DMWM-CRABServer-PR-test/2340/artifact/artifacts/PullRequestReport.html

[sinonkt]

Resolve #8880