PowhegControl: adding mass_rwg_frac parameter in gg4l process - AGENE-2207

This MR is adding a new parameter to the gg4l process. More details in the AGENE-2207 JIRA ticket.

(putting alsoTargeting:21.6 label for completeness, but it's not particularly needed)

added alsoTargeting:21.6 label

added Powheg label

This merge request affects 1 package:

• Generators/PowhegControl

This merge request affects 2 files:

• Generators/PowhegControl/python/parameters/registry.py
• Generators/PowhegControl/python/processes/powheg/gg4l.py

Adding @asaibel ,@strichte ,@dhayden ,@tpelzer ,@janovak as watchers

added Generators master review-pending-level-1 labels

The system determined that CI tests (with names matching "^CITest_Trigger.*$") are not needed for this code change. They are not run. This is not an indicator to restart the job.

CI Result SUCCESS (hash 1407065e)

	Athena	AthGeneration
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 73768]

The changes look okay and there are no issues with the CI. Approving from L1.

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit f9e87364

added sweep:done label

picked the changes into the branch cherry-pick-f9e87364c66-21.6 with commit 8a464da2

mentioned in commit 8a464da2

Sweep summary
successful:

• 21.6

(see https://aiatlas154.cern.ch/jenkins/job/auto_git_sweeps/4285/console for details)

mentioned in merge request !64120 (merged)

mentioned in commit 136f1379