chore(deps): update docker.io/library/rust docker tag to v1.81

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
docker.io/library/rust	final	minor	1.73 -> 1.81

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 82.77%. Comparing base (610cd6c) to head (caff075).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #139   +/-   ##
=======================================
  Coverage   82.77%   82.77%           
=======================================
  Files          19       19           
  Lines        1440     1440           
=======================================
  Hits         1192     1192           
  Misses        248      248           

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