Merge pull request #1926 from beeware/dependabot/pip/sphinx-7.4.7

Bump sphinx from 7.3.7 to 7.4.7

Author: freakboy3742

changes/1926.misc.rst

@@ -0,0 +1 @@
+Updated sphinx from 7.3.7 to 7.4.7.

pyproject.toml

@@ -112,7 +112,7 @@ docs = [
     "pyenchant == 3.2.2",
     # Sphinx 7.2 deprecated support for Python 3.8
     "sphinx == 7.1.2 ; python_version < '3.9'",
-    "sphinx == 7.3.7 ; python_version >= '3.9'",
+    "sphinx == 7.4.7 ; python_version >= '3.9'",
     "sphinx_tabs == 3.4.5",
     # Sphinx 2024.2.4 deprecated support for Python 3.8
     "sphinx-autobuild == 2021.3.14 ; python_version < '3.9'",