PMM 13626 Install perl into pmm client

[talhabinrizwan]

PMM-13626

Link to the Feature Build: SUBMODULES-3863

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.89%. Comparing base (101aca2) to head (9c79637).

Additional details and impacted files

@@           Coverage Diff           @@
##               v3    #3766   +/-   ##
=======================================
  Coverage   43.89%   43.89%           
=======================================
  Files         367      367           
  Lines       44627    44627           
=======================================
+ Hits        19587    19589    +2     
+ Misses      23356    23354    -2     
  Partials     1684     1684           

Flag	Coverage Δ
admin	11.51% <ø> (+0.04%)	⬆️
agent	52.58% <ø> (ø)
managed	45.45% <ø> (ø)
vmproxy	73.45% <ø> (ø)

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[ademidoff]

I think we can do better to avoid such issues in the future. I suggest we use the --installroot parameter of dnf install command. This gives at least two benefits:

1. We don't have to know the exact names of the binaries we need to copy from one stage to another
2. The resulting image will have much fewer layers, which are too many right now because of multiple COPY --from commands. That will allow to use one COPY command only.