Remove redundant std:: prefix from type names

[msk]

This PR removes unnecessary std:: prefixes from type names throughout the codebase, improving readability and consistency.

The changes are purely cosmetic and do not affect the functionality of the code.

[codecov]

Codecov Report

Attention: Patch coverage is 83.33333% with 1 line in your changes missing coverage. Please review.

Project coverage is 70.37%. Comparing base (238fb77) to head (1af92e3).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
src/archive.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #369      +/-   ##
==========================================
+ Coverage   70.26%   70.37%   +0.11%     
==========================================
  Files          67       67              
  Lines       14400    14353      -47     
==========================================
- Hits        10118    10101      -17     
+ Misses       4282     4252      -30     

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