Bump actions/upload-artifact from 3 to 4 (#1315)

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

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

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

.github/workflows/ci.yaml

@@ -199,7 +199,7 @@ jobs:
         python -u tools/plex-teardowntest.py
 
     - name: Upload coverage artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: coverage-${{ matrix.plex }}-${{ steps.python.outputs.python-version }}
         path: .coverage

.github/workflows/pypi.yml

@@ -37,7 +37,7 @@ jobs:
         python -m twine check dist/*
 
     - name: Upload builds
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: dist
         path: dist