Scheduled weekly dependency update for week 03 (#2681)

* Update yarl from 1.0.0 to 1.1.0

* Update codecov from 2.0.13 to 2.0.14

requirements/ci-wheel.txt

@@ -16,9 +16,9 @@ pytest-mock==1.6.3
 towncrier==17.8.0
 tox==2.9.1
 twine==1.9.1
-yarl==1.0.0
+yarl==1.1.0
 
 # Using PEP 508 env markers to control dependency on runtimes:
 aiodns==1.1.1; platform_system!="Windows"  # required c-ares will not build on windows
-codecov==2.0.13; platform_system!="Windows"  # We only use it in Travis CI
+codecov==2.0.14; platform_system!="Windows"  # We only use it in Travis CI
 uvloop==0.9.1; python_version>="3.5" and platform_system!="Windows"  # MagicStack/uvloop#14