Bump actions/upload-artifact from 3 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/build.yml

@@ -54,7 +54,7 @@ jobs:
           echo LIBCST_NO_LOCAL_SCHEME=1 >> $GITHUB_ENV
       - name: Build wheels
         uses: pypa/[email protected]
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           path: wheelhouse/*.whl
           name: wheels

.github/workflows/ci.yml

@@ -96,7 +96,7 @@ jobs:
           fail_ci_if_error: true
           verbose: true
       - name: Archive Coverage
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: coverage
           path: coverage.xml
@@ -118,7 +118,7 @@ jobs:
       - uses: ts-graphviz/setup-graphviz@v1
       - run: hatch run docs
       - name: Archive Docs
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: sphinx-docs
           path: docs/build