chore(deps): update rust crate tokio-util to v0.7.12

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tokio-util (source)	dev-dependencies	patch	0.7.11 -> 0.7.12
tokio-util (source)	dependencies	patch	0.7.11 -> 0.7.12

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Release Notes

tokio-rs/tokio (tokio-util)

v0.7.12

Compare Source

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Configuration

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 55.60%. Comparing base (ba8695f) to head (aa36aff).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #357      +/-   ##
==========================================
+ Coverage   55.58%   55.60%   +0.02%     
==========================================
  Files          57       57              
  Lines       11462    11462              
==========================================
+ Hits         6371     6374       +3     
+ Misses       5091     5088       -3     

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