[sc-28135] Redact literal values in CASE clauses

[usefulalgorithm]

🤔 Why?

It is possible to have PII values in CASE clauses. Our processor should be able to redact these.

🤓 What?

• Added logic to redact PII values in CASE clauses.
• Unit test.
• Added config value.
• Updated readme.

🧪 Tested?

Added unit test.

☑️ Checks

• My PR contains actual code changes, and I have updated the version number in pyproject.toml.

[github-actions]

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines	Covered	Coverage	Threshold	Status
11795	10480	89%	85%	🟢

New Files

No new covered files...

Modified Files

File	Coverage	Status
metaphor/common/sql/process_query/config.py	100%	🟢
metaphor/common/sql/process_query/process_query.py	88%	🟢
TOTAL	94%	🟢

updated for commit: a872432 by action🐍

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.85%. Comparing base (e4d25b4) to head (a872432).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #955   +/-   ##
=======================================
  Coverage   88.84%   88.85%           
=======================================
  Files         182      182           
  Lines       11788    11795    +7     
=======================================
+ Hits        10473    10480    +7     
  Misses       1315     1315           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.