Update GitHub Actions to v7

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
codecov/codecov-action	action	major	v6 → v7

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Release Notes

codecov/codecov-action (codecov/codecov-action)

v7.0.0

Compare Source

v7

Compare Source

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Configuration

📅 Schedule: (UTC)

• Branch creation
  • "before 9am on Friday"
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• If you want to rebase/retry this PR, check this box

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (ee55d9d) to head (252fd43).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #248   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            7         7           
  Lines          112       112           
  Branches        13        13           
=========================================
  Hits           112       112           

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