Bump netaddr from 0.7.12 to 0.8.0

Bumps [netaddr](https://github.com/drkjam/netaddr) from 0.7.12 to 0.8.0.
- [Release notes](https://github.com/drkjam/netaddr/releases)
- [Changelog](https://github.com/netaddr/netaddr/blob/master/CHANGELOG)
- [Commits](netaddr/netaddr@release-0.7.12...0.8.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

requirements.txt

@@ -5,7 +5,7 @@ feedparser==5.1.3
 gevent==1.0.1
 greenlet>=0.4.2,<0.5.0
 -e git+https://github.com/rtdean/grequests@19239a34b00b8ac226b21f01b0fb55e869097fb7#egg=grequests-origin
-netaddr==0.7.12
+netaddr==0.8.0
 pygeoip>=0.3.1,<0.4.0
 requests>=2.3.0,<2.6.0
 sortedcontainers==0.9.4