chore(deps): update dependency coverage to ^7.6.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
coverage	^7.6.2 -> ^7.6.3

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Release Notes

nedbat/coveragepy (coverage)

v7.6.3

Compare Source

• Fix: nested context managers could incorrectly be analyzed to flag a missing
  branch on the last context manager, as described in issue 1876_. This is
  now fixed.

• Fix: the missing branch message about not exiting a module had an extra
  "didn't," as described in issue 1873_. This is now fixed.

.. _issue 1873:https://github.com/nedbat/coveragepy/issues/18733
.. _issue 1876https://github.com/nedbat/coveragepy/issues/187676

.. _changes_7-6-2:

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