[DOP-23742] Fix using conn.setReadOnly(...) for MySQL, MSSQL

[dolfinus]

Change Summary

Some JDBC drivers respect java_jdbc_connection.setReadOnly(...) (Oracle, Clickhouse, Postgres, Greenplum), some don't (MySQL, MSSQL). Fixing this by adding few workarounds for these RDBMS.

Related issue number

Checklist

• Commit message and PR title is comprehensive
• Keep the change as small as possible
• Unit and integration tests for the changes exist
• Tests pass on CI and coverage does not decrease
• Documentation reflects the changes where applicable
• docs/changelog/next_release/<pull request or issue id>.<change type>.rst file added describing change
  (see CONTRIBUTING.rst for details.)
• My PR is ready to review.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.88%. Comparing base (64550d1) to head (73dcefa).
Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #337      +/-   ##
===========================================
+ Coverage    91.84%   91.88%   +0.04%     
===========================================
  Files          228      228              
  Lines         9821     9836      +15     
  Branches      1007     1008       +1     
===========================================
+ Hits          9020     9038      +18     
+ Misses         606      605       -1     
+ Partials       195      193       -2     

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