add collect_schemas config option and deprecate schemas option

[lu-zhengda]

What does this PR do?

Add new collect_schemas configuration to replace deprecated schemas while maintaining backward compatibility.

Motivation

Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• Add the qa/skip-qa label if the PR doesn't need to be tested during QA.
• If you need to backport this PR to another branch, you can add the backport/<branch-name> label to the PR and it will automatically open a backport PR once this one is merged

Review from nenadnoveljic is dismissed. Related teams and files:

• database-monitoring-agent
  • mongo/assets/configuration/spec.yaml
  • mongo/datadog_checks/mongo/config_models/deprecations.py

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.11%. Comparing base (34e4fd3) to head (13405c2).
Report is 6 commits behind head on master.

Additional details and impacted files

Flag	Coverage Δ
activemq	?
cassandra	?
confluent_platform	?
hive	?
hivemq	?
hudi	?
ignite	?
jboss_wildfly	?
kafka	?
mongo	93.13% <100.00%> (+0.23%)	⬆️
presto	?
solr	?
tomcat	?
weblogic	?

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