Typos check in CI

[adria0]

Add typo check in CI.

To run it manually:

cargo install typos-cli then typos. If you are ok with the suggestions, changes can be automatically written with typos -w

note: Seen in https://github.com/scroll-tech/zkevm-circuits/pull/1340/files#diff-3fb2332998c7a34b309e0c52c92bfa1f8e0c429ceec9fddba49834e15d3e0eb6

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 96.96970% with 1 line in your changes missing coverage. Please review.

Project coverage is 82.64%. Comparing base (bc857a7) to head (b864585).

Files	Patch %	Lines
halo2_backend/src/plonk.rs	0.00%	1 Missing :warning:

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #362   +/-   ##
=======================================
  Coverage   82.64%   82.64%           
=======================================
  Files          84       84           
  Lines       17750    17751    +1     
=======================================
+ Hits        14670    14671    +1     
  Misses       3080     3080           

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