fix(functions): remove py310 from RunTime and docs

[dbrattli]

Summary

• Remove py310 from the RunTime Literal type in cognite/client/data_classes/functions.py
• Update Functions API docstrings (_api/functions/__init__.py, regenerated _sync_api/functions/__init__.py) to drop py310 from the allowed runtime values
• Update the mocked functions/limits test fixture accordingly

Ref:

• https://cognitedata.atlassian.net/browse/FUN-1314
• cognitedata/infrastructure#37224

py314 support will be added in a follow-up PR.

Test plan

• uv run pytest tests/tests_unit/test_api/test_functions.py passes
• uv run mypy on touched files passes

[gemini-code-assist]

Code Review

This pull request removes the "py310" runtime option from the Cognite Functions API, updating the RunTime TypeAlias, docstrings, and unit tests accordingly. Additionally, some helper constants and regex patterns were added to the sync functions API module. There are no review comments, so I have no feedback to provide.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.68%. Comparing base (8b99b98) to head (290c3c6).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2726      +/-   ##
==========================================
- Coverage   93.71%   93.68%   -0.03%     
==========================================
  Files         504      504              
  Lines       51294    51300       +6     
==========================================
- Hits        48070    48062       -8     
- Misses       3224     3238      +14     

Files with missing lines	Coverage Δ
cognite/client/_api/functions/__init__.py	94.81% <ø> (ø)
cognite/client/_sync_api/functions/__init__.py	100.00% <100.00%> (ø)
cognite/client/data_classes/functions.py	95.49% <100.00%> (ø)
tests/tests_unit/test_api/test_functions.py	96.82% <ø> (ø)

... and 4 files with indirect coverage changes

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[haakonvt]

🦄

[dbrattli]

@haakonvt We need to wait until 2026-10-01 because of https://docs.cognite.com/cdf/deprecated/#deprecated-and-retired-features-and-functionality so flipping back to draft