Bump sphinx from 8.1.3 to 8.2.1 (#566)

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 8.1.3 to 8.2.1.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/v8.2.1/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v8.1.3...v8.2.1)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Russell Keith-Magee <russell@keith-magee.com>

Author: dependabot[bot]

changes/566.misc.rst

@@ -0,0 +1 @@
+Updated sphinx from 8.1.3 to 8.2.1.

docs/reference/rubicon-objc-types.rst

@@ -173,9 +173,8 @@ These are commonly used C types from various frameworks.
 
 .. class:: UniChar([value])
 
-    The `UniChar
-    <https://developer.apple.com/documentation/kernel/unichar?language=objc>`__
-    type from ``<MacTypes.h>``. Equivalent to :class:`~ctypes.c_ushort`.
+    The ``UniChar`` type from ``<MacTypes.h>``. Equivalent to
+    :class:`~ctypes.c_ushort`.
 
 .. class:: unichar([value])
 

pyproject.toml

@@ -58,7 +58,7 @@ dev = [
 docs = [
     "furo == 2024.8.6",
     "pyenchant == 3.2.2",
-    "sphinx == 8.1.3",
+    "sphinx == 8.2.1",
     "sphinx_tabs == 3.4.7",
     "sphinx-autobuild == 2024.10.3",
     "sphinx-copybutton == 0.5.2",