DM-43933: Add special service for collecting monitoring metrics

[andy-slac]

New service can collect monitoring records (which is a collection of
tags and values) and publish them somewhere. For now publishing
to log stream is supported with records formatted as JSON objects.
Timer class is updated to publish timing info to monitoring service
in addition to logs.

[codecov]

Codecov Report

Attention: Patch coverage is 85.89744% with 44 lines in your changes are missing coverage. Please review.

Project coverage is 70.75%. Comparing base (d2a12a3) to head (47a6cad).
Report is 11 commits behind head on main.

❗ Current head 47a6cad differs from pull request most recent head 09fbdc7. Consider uploading reports for the commit 09fbdc7 to get more accurate results

Files	Patch %	Lines
python/lsst/dax/apdb/cassandra/apdbCassandra.py	25.00%	12 Missing ⚠️
python/lsst/dax/apdb/monitor.py	88.46%	9 Missing and 3 partials ⚠️
python/lsst/dax/apdb/timer.py	72.41%	6 Missing and 2 partials ⚠️
...on/lsst/dax/apdb/cassandra/apdbCassandraReplica.py	30.00%	7 Missing ⚠️
python/lsst/dax/apdb/sql/apdbSql.py	88.88%	1 Missing and 1 partial ⚠️
python/lsst/dax/apdb/sql/apdbSqlReplica.py	77.77%	1 Missing and 1 partial ⚠️
python/lsst/dax/apdb/scripts/create_cassandra.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #51      +/-   ##
==========================================
+ Coverage   67.23%   70.75%   +3.51%     
==========================================
  Files          33       44      +11     
  Lines        3211     3843     +632     
  Branches      585      685     +100     
==========================================
+ Hits         2159     2719     +560     
- Misses        977     1036      +59     
- Partials       75       88      +13     

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