[ENH] Fix the badges

[surchs]

• Related to Fix links in README badges planning#235

Changes proposed in this pull request:

Checklist

This section is for the PR reviewer

• PR has an interpretable title with a prefix ([ENH], [FIX], [REF], [TST], [CI], [MNT], [INF], [MODEL], [DOC]) (see our Contributing Guidelines for more info)
• PR has a label for the release changelog or skip-release (to be applied by maintainers only)
• PR links to GitHub issue with mention Closes #XXXX
• Tests pass
• Checks pass

For new features:

• Tests have been added

For bug fixes:

• There is at least one test that would fail under the original bug conditions.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.62%. Comparing base (a137d1b) to head (8cbb3e4).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #190   +/-   ##
=======================================
  Coverage   58.62%   58.62%           
=======================================
  Files           7        7           
  Lines          29       29           
=======================================
  Hits           17       17           
  Misses         12       12           

Flag	Coverage Δ
tests	58.62% <ø> (ø)

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