Bump pycares from 3.1.0 to 3.1.1

Bumps [pycares](https://github.com/saghul/pycares) from 3.1.0 to 3.1.1.
- [Release notes](https://github.com/saghul/pycares/releases)
- [Changelog](https://github.com/saghul/pycares/blob/master/ChangeLog)
- [Commits](saghul/pycares@pycares-3.1.0...pycares-3.1.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

requirements.txt

@@ -14,6 +14,6 @@ chardet==3.0.4            # via aiohttp
 fonttools==4.2.4
 idna==2.8                 # via yarl
 multidict==4.7.4          # via aiohttp, yarl
-pycares==3.1.0            # via aiodns
+pycares==3.1.1            # via aiodns
 pycparser==2.19           # via cffi
 yarl==1.4.2               # via aiohttp