build(deps): bump urllib3 from 1.26.3 to 1.26.4 in /images/minesweeper

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.3 to 1.26.4.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.3...1.26.4)

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

Author: dependabot[bot]

images/minesweeper/requirements.txt

@@ -44,7 +44,7 @@ six==1.15.0
     #   kubernetes
     #   python-dateutil
     #   websocket-client
-urllib3==1.26.3
+urllib3==1.26.4
     # via
     #   kubernetes
     #   requests