chore: reduce log pollution and increase retention period

[richardzilincikPantheon]

Removed the most noisy and least useful log messages,
filter out healcheck pings from logging, change log
rotation to weekly with retention for a year.

[codecov]

Codecov Report

Merging #791 (cfabf47) into develop (62fb5ed) will decrease coverage by 0.05%.
The diff coverage is 28.57%.

❗ Current head cfabf47 differs from pull request most recent head f3dd951. Consider uploading reports for the commit f3dd951 to get more accurate results

@@             Coverage Diff             @@
##           develop     #791      +/-   ##
===========================================
- Coverage    77.73%   77.69%   -0.05%     
===========================================
  Files          110      110              
  Lines        11394    11378      -16     
===========================================
- Hits          8857     8840      -17     
- Misses        2537     2538       +1     

Impacted Files	Coverage Δ
api/views/health_check.py	21.48% <ø> (+0.26%)	⬆️
api/views/yang_search/yang_search.py	14.28% <0.00%> (+0.02%)	⬆️
parseAndPopulate/resolvers/generated_from.py	100.00% <ø> (ø)
parseAndPopulate/resolvers/module_type.py	89.47% <ø> (-0.53%)	⬇️
parseAndPopulate/resolvers/organization.py	84.37% <ø> (-0.48%)	⬇️
parseAndPopulate/resolvers/semantic_version.py	100.00% <ø> (ø)
parseAndPopulate/resolvers/submodule.py	100.00% <ø> (ø)
parseAndPopulate/resolvers/yang_version.py	100.00% <ø> (ø)
parseAndPopulate/resolvers/prefix.py	92.68% <50.00%> (-0.35%)	⬇️
parseAndPopulate/resolvers/namespace.py	92.68% <75.00%> (-0.35%)	⬇️
... and 2 more

... and 1 file with indirect coverage changes