Bump websocket-client from 0.32.0 to 0.57.0

Bumps [websocket-client](https://github.com/websocket-client/websocket-client) from 0.32.0 to 0.57.0.
- [Release notes](https://github.com/websocket-client/websocket-client/releases)
- [Changelog](https://github.com/websocket-client/websocket-client/blob/master/ChangeLog)
- [Commits](https://github.com/websocket-client/websocket-client/compare/v0.32.0...v0.57.0)

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

requirements.txt

@@ -23,4 +23,4 @@ six==1.12.0
 subprocess32==3.5.4; python_version < '3.2'
 texttable==1.6.2
 urllib3==1.24.2; python_version == '3.3'
-websocket-client==0.32.0
+websocket-client==0.57.0