PMM-13748 add support for kerberos auth with MongoDB/PSMDB

[idoqo]

PMM-13748

Link to the Feature Build: SUBMODULES-3862

• PMM-13748 gssapi support mongodb_exporter#1042
• PMM-13817 Install krb5 devel package inside rpmbuild:3 container image #3717

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.85%. Comparing base (101aca2) to head (f5d07c2).

Additional details and impacted files

@@            Coverage Diff             @@
##               v3    #3738      +/-   ##
==========================================
- Coverage   43.89%   43.85%   -0.04%     
==========================================
  Files         367      367              
  Lines       44627    44556      -71     
==========================================
- Hits        19587    19539      -48     
+ Misses      23356    23332      -24     
- Partials     1684     1685       +1     

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

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[BupycHuk]

tests are failing

[idoqo]

Tests are still failing but it looks like this time, it's because devcontainer does not have krb5-devel installed yet