Update dependency sphinx to v7.4.7

[RKIMetadataExchange]

This PR contains the following updates:

Package	Type	Update	Change
sphinx (changelog)	project.optional-dependencies	patch	==7.4.6 -> ==7.4.7

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Release Notes

sphinx-doc/sphinx (sphinx)

v7.4.7

Compare Source

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Bugs fixed

• #​12096: Warn when files are overwritten in the build directory.
  Patch by Adam Turner and Bénédikt Tran.
• #​12620: Ensure that old-style object description options are respected.
  Patch by Adam Turner.
• #​12601, #​12625: Support callable objects in :py:class:~typing.Annotated type
  metadata in the Python domain.
  Patch by Adam Turner.
• #​12601, #​12622: Resolve :py:class:~typing.Annotated warnings with
  sphinx.ext.autodoc,
  especially when using :mod:dataclasses as type metadata.
  Patch by Adam Turner.
• #​12589, #​12626: autosummary: Fix warnings with :rst:role:!autolink.
  Patch by Adam Turner.

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