Bump sphinx from 7.1.2 to 7.3.7 (#120)

* Bump sphinx from 7.1.2 to 7.3.7

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 7.1.2 to 7.3.7.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v7.1.2...v7.3.7)

---
updated-dependencies:
- dependency-name: sphinx
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Only install dev deps on GHA

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Amethyst Reese <amethyst@n7.gg>

.github/workflows/build.yml

@@ -24,7 +24,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install
-        run: make install
+        run: make EXTRAS=dev install
       - name: Test
         run: make test
       - name: Lint

pyproject.toml

@@ -40,7 +40,7 @@ dev = [
     "usort==1.0.1",
 ]
 docs = [
-    "sphinx==7.1.2",
+    "sphinx==7.3.7",
     "sphinx-mdinclude==0.6.0",
 ]