ref: Upgrade semaphore (#12751)

Author: untitaker

requirements-base.txt

@@ -56,7 +56,7 @@ redis>=2.10.3,<2.10.6
 requests-oauthlib==0.3.3
 requests[security]>=2.20.0,<2.21.0
 selenium==3.141.0
-semaphore>=0.4.25,<0.5.0
+semaphore>=0.4.27,<0.5.0
 sentry-sdk>=0.7.0
 setproctitle>=1.1.7,<1.2.0
 simplejson>=3.2.0,<3.9.0