feat: Add timers to more mito methods

[evenyag]

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What's changed and what's your intention?

This PR adds timers to more mito methods

• edit_region
• set_readonly_gracefully

It also combines RegionRequest::request_type() and RegionRequest::type_name() into one method.

Checklist

• I have written the necessary rustdoc comments.
• I have added the necessary unit tests and integration tests.
• This PR does not require documentation updates.

[codecov]

Codecov Report

Attention: Patch coverage is 69.23077% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 84.84%. Comparing base (7e8e9ab) to head (c11de85).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3659      +/-   ##
==========================================
- Coverage   85.13%   84.84%   -0.30%     
==========================================
  Files         943      943              
  Lines      157092   157220     +128     
==========================================
- Hits       133744   133390     -354     
- Misses      23348    23830     +482