Bump actions/upload-artifact from 3 to 4 (#3097)

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

.github/workflows/docs.yaml

@@ -40,7 +40,7 @@ jobs:
            invoke build-docs
 
        - name: upload docs
-         uses: actions/upload-artifact@v3
+         uses: actions/upload-artifact@v4
          with:
            name: redis-py-docs
            path: |

.github/workflows/integration.yaml

@@ -81,7 +81,7 @@ jobs:
            sleep 10 # time to settle
            invoke ${{matrix.test-type}}-tests
 
-       - uses: actions/upload-artifact@v3
+       - uses: actions/upload-artifact@v4
          if: success() || failure()
          with:
            name: pytest-results-${{matrix.test-type}}-${{matrix.connection-type}}-${{matrix.python-version}}