PMM-14141 embed mongodb down alerts

[idoqo]

PMM-PMM-14141

Link to the Feature Build: SUBMODULES-3990

• PMM-14141: Respect Prometheus scrape-timeout header mongodb_exporter#1107

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 44.26%. Comparing base (37dea84) to head (f6fd956).
Report is 5 commits behind head on v3.

Additional details and impacted files

@@           Coverage Diff           @@
##               v3    #4247   +/-   ##
=======================================
  Coverage   44.26%   44.26%           
=======================================
  Files         373      373           
  Lines       45844    45844           
=======================================
+ Hits        20291    20293    +2     
+ Misses      23848    23847    -1     
+ Partials     1705     1704    -1     

Flag	Coverage Δ
managed	44.88% <ø> (+<0.01%)	⬆️

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