feat: add module grafana_contact_point

[Nemental]

SUMMARY

New module for management of contact points, introduced with the new Grafana Unified Alerting in Grafana 8.

ISSUE TYPE

• New Module Pull Request

COMPONENT NAME

ADDITIONAL INFORMATION

[codecov]

Codecov Report

Attention: Patch coverage is 73.21429% with 30 lines in your changes are missing coverage. Please review.

Project coverage is 74.44%. Comparing base (101d40c) to head (9175486).
Report is 14 commits behind head on main.

❗ Current head 9175486 differs from pull request most recent head eff27c7

Please upload reports for the commit eff27c7 to get more accurate results.

Files	Patch %	Lines
plugins/modules/grafana_contact_point.py	73.21%	18 Missing and 12 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #352      +/-   ##
==========================================
+ Coverage   72.00%   74.44%   +2.43%     
==========================================
  Files          20       15       -5     
  Lines        2097     1831     -266     
  Branches      356      340      -16     
==========================================
- Hits         1510     1363     -147     
+ Misses        431      311     -120     
- Partials      156      157       +1     

Flag	Coverage Δ
integration	70.23% <72.32%> (-0.46%)	⬇️
sanity	?
units	65.18% <ø> (+1.13%)	⬆️

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[Nemental]

@rndmh3ro I don't think it's ready to merge but maybe it's time for a first review :) Maybe you have some time take a look.
Next I want to do the documentation of the arguments in module file, so please ignore this for the moment :D

[Nemental]

@rndmh3ro finally ready to review 🎉 hopefully the tests are enough, I can't see it anymore 🫨