ci: Amend dependabot commits to use Cargo.lock file version 3

[adombeck]

dependabot keeps updating the version but it's not available in Noble, so we can't update it yet.

[adombeck]

@3v1n0 this might work, but I think there's no way to test it beside merging to main and triggering another dependabot PR

[codecov-commenter]

Codecov Report

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

Project coverage is 85.43%. Comparing base (8c2af1e) to head (8510b52).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #898      +/-   ##
==========================================
- Coverage   85.50%   85.43%   -0.08%     
==========================================
  Files          80       80              
  Lines        5547     5547              
  Branches      109      109              
==========================================
- Hits         4743     4739       -4     
- Misses        749      753       +4     
  Partials       55       55              

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[3v1n0]

Good... I think it's better to experiment this...

Other way could be to try this in a local fork where main is older than the current in Ubuntu.