Update: bump all dependencies to latest version

Author: TrueBrain

requirements.txt

@@ -1,16 +1,16 @@
 aiohttp==3.5.4
 async-timeout==3.0.1
-attrs==18.2.0
-certifi==2018.11.29
+attrs==19.1.0
+certifi==2019.6.16
 chardet==3.0.4
 idna==2.8
 idna-ssl==1.1.0
-kubernetes-asyncio==8.0.3
+kubernetes-asyncio==9.1.0
 multidict==4.5.2
-python-dateutil==2.7.5
-PyYAML==3.13
-sentry-sdk==0.6.6
+python-dateutil==2.8.0
+PyYAML==5.1.1
+sentry-sdk==0.9.5
 six==1.12.0
-typing-extensions==3.7.2
-urllib3==1.24.1
+typing-extensions==3.7.4
+urllib3==1.25.3
 yarl==1.3.0