refactor: Deprecated Faker class in stream maps

[edgarrmondragon]

Related:

• Closes tech debt: Deprecate Faker in stream maps context and recommend seed_instance #2669
• feat(mappers): Stream map expressions now have access to the Faker class, rather than just a faker instance #2598 (comment)

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📚 Documentation preview 📚: https://meltano-sdk--2670.org.readthedocs.build/en/2670/

[codspeed-hq]

CodSpeed Performance Report

Merging #2670 will not alter performance

_{Comparing 2669-tech-debt-deprecate-faker-in-stream-maps-context-and-recommend-seed_instance (2efadd0) with main (be8b101)}

Summary

✅ 6 untouched benchmarks

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.87%. Comparing base (4641361) to head (2efadd0).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2670   +/-   ##
=======================================
  Coverage   89.87%   89.87%           
=======================================
  Files          58       58           
  Lines        4891     4891           
  Branches      963      963           
=======================================
  Hits         4396     4396           
  Misses        344      344           
  Partials      151      151           

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