Merge pull request #255 from searxng/dependabot/pip/master/uvloop-0.16.0

Bump uvloop from 0.15.3 to 0.16.0

requirements.txt

@@ -9,7 +9,7 @@ python-dateutil==2.8.2
 pyyaml==5.4.1
 httpx[http2]==0.17.1
 Brotli==1.0.9
-uvloop==0.15.3; python_version >= '3.7'
+uvloop==0.16.0; python_version >= '3.7'
 uvloop==0.14.0; python_version < '3.7'
 httpx-socks[asyncio]==0.3.1
 langdetect==1.0.9