Disable python requirements files checking in dependabot

[rly]

Motivation

Disable checking python requirements files with dependabot because there are too many updates and dependabot will not ignore requirements-min.txt until dependabot/dependabot-core#2883 is resolved

Revert our process to continue updating these files manually. We can use the pur package to help.

Checklist

• Did you update CHANGELOG.md with your changes?
• Have you checked our Contributing document?
• Have you ensured the PR clearly describes the problem and the solution?
• Is your contribution compliant with our coding style? This can be checked running ruff from the source directory.
• Have you checked to ensure that there aren't other open Pull Requests for the same change?
• Have you included the relevant issue number using "Fix #XXX" notation where XXX is the issue number? By including "Fix #XXX" you allow GitHub to close issue #XXX when the PR is merged.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (4ae90f2) 88.65% compared to head (17b929d) 88.65%.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #987   +/-   ##
=======================================
  Coverage   88.65%   88.65%           
=======================================
  Files          45       45           
  Lines        9451     9451           
  Branches     2688     2688           
=======================================
  Hits         8379     8379           
  Misses        757      757           
  Partials      315      315           

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