Update: dependencies update (#56)

* Update attrs from 20.3.0 to 21.2.0
* Update certifi from 2020.12.5 to 2021.5.30
* Update click from 7.1.2 to 8.0.1
* Update idna from 3.1 to 3.2
* Update limnoria from 2021.4.11 to 2021.6.15
* Update sentry-sdk from 1.0.0 to 1.1.0
* Update six from 1.15.0 to 1.16.0
* Update typing-extensions from 3.7.4.3 to 3.10.0.0
* Update urllib3 from 1.26.4 to 1.26.6

Co-authored-by: Patric Stout <truebrain@openttd.org>

requirements.txt

@@ -1,25 +1,25 @@
 aiohttp==3.7.4.post0
 async-timeout==3.0.1
-attrs==20.3.0
-certifi==2020.12.5
+attrs==21.2.0
+certifi==2021.5.30
 cffi==1.14.5
 chardet==4.0.0
-click==7.1.2
+click==8.0.1
 cryptography==3.4.7
 docopt==0.6.2
 gidgethub==5.0.1
-idna==3.1
+idna==3.2
 irc3==1.1.6
-limnoria==2021.4.11
+limnoria==2021.6.15
 multidict==5.1.0
 openttd-helpers==1.0.1
 pycparser==2.20
 PyJWT==2.1.0
 PyYAML==5.4.1
-sentry-sdk==1.0.0
-six==1.15.0
-typing-extensions==3.7.4.3
+sentry-sdk==1.1.0
+six==1.16.0
+typing-extensions==3.10.0.0
 uritemplate==3.0.1
-urllib3==1.26.4
+urllib3==1.26.6
 venusian==3.0.0
 yarl==1.6.3