Update sphinx requirement from ~=7.3.7 to ~=7.4.7 (#21)

Updates the requirements on [sphinx](https://github.com/sphinx-doc/sphinx) to permit the latest version.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v7.3.7...v7.4.7)

---
updated-dependencies:
- dependency-name: sphinx
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -38,7 +38,7 @@ Discord = "https://discord.gg/TPBU2sa8Et"
 visualization = ["matplotlib"]
 test = ["pytest", "pytest-cov"]
 lint = ["isort", "ruff", "qbraid-cli"]
-docs = ["sphinx~=7.3.7", "sphinx-autodoc-typehints>=1.24,<2.3", "sphinx-rtd-theme~=2.0.0", "docutils<0.22", "sphinx-copybutton"]
+docs = ["sphinx~=7.4.7", "sphinx-autodoc-typehints>=1.24,<2.3", "sphinx-rtd-theme~=2.0.0", "docutils<0.22", "sphinx-copybutton"]
 
 [tool.setuptools_scm]
 write_to = "qbraid_algorithms/_version.py"