build(deps): bump actions/upload-artifact from 4 to 5

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/docs.yaml

@@ -43,7 +43,7 @@ jobs:
            make build-docs
 
        - name: upload docs
-         uses: actions/upload-artifact@v4
+         uses: actions/upload-artifact@v5
          with:
            name: valkey-py-docs
            path: |

.github/workflows/integration.yaml

@@ -133,7 +133,7 @@ jobs:
             make ${{matrix.test-type}}-tests USE_UVLOOP=1 PROTOCOL=${{ matrix.protocol-version }}
            fi
 
-       - uses: actions/upload-artifact@v4
+       - uses: actions/upload-artifact@v5
          if: success() || failure()
          with:
            name: pytest-results-${{matrix.test-type}}-${{matrix.connection-type}}-${{matrix.python-version}}-RESP${{ matrix.protocol-version }}