Bump uvicorn from 0.11.5 to 0.11.7 in /crawlerx_server

Bumps [uvicorn](https://github.com/encode/uvicorn) from 0.11.5 to 0.11.7.
- [Release notes](https://github.com/encode/uvicorn/releases)
- [Changelog](https://github.com/encode/uvicorn/blob/master/CHANGELOG.md)
- [Commits](encode/uvicorn@0.11.5...0.11.7)

Signed-off-by: dependabot[bot] <support@github.com>

crawlerx_server/requirements.txt

@@ -65,7 +65,7 @@ starlette==0.13.2
 Twisted==20.3.0
 tzlocal==2.1
 urllib3==1.25.9
-uvicorn==0.11.5
+uvicorn==0.11.7
 uvloop==0.14.0
 vine==1.3.0
 virtualenv==20.0.21