Update sources for mypy-1.11.1

[pavoljuhas]

• typecheck - purge unused ignore comments
• typecheck - address complaints about _ComplexLike expressions
• typecheck - fix errors on missing return statement
• typecheck - tell mypy it has a callable in inner function
• typecheck - fix redundant cast to "str"
• typecheck - fix type annotation to kwargs to dataclasses.replace
• typecheck - fix signature of the replacement function
• typecheck - tell mypy about type when extracted from a zip tuple
• typecheck - fix incompatible types in assignment
• typecheck - fix type complaint due to unnecessary use of functools.partial
• Pick up easy lint from the cirq_google/cloud file
• Excise unused stub dependencies in mypy.txt

Fixes #6705

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 98.96907% with 1 line in your changes missing coverage. Please review.

Project coverage is 97.83%. Comparing base (2f922cd) to head (963b558). Report is 2 commits behind head on main.

Files	Patch %	Lines
cirq-core/cirq/vis/heatmap.py	75.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #6707 +/- ## ========================================== - Coverage 97.83% 97.83% -0.01% ========================================== Files 1077 1077 Lines 92502 92482 -20 ========================================== - Hits 90501 90480 -21 - Misses 2001 2002 +1 ```

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