Bump aiopg from 0.16.0 to 1.0.0

Bumps [aiopg](https://github.com/aio-libs/aiopg) from 0.16.0 to 1.0.0.
- [Release notes](https://github.com/aio-libs/aiopg/releases)
- [Changelog](https://github.com/aio-libs/aiopg/blob/master/CHANGES.txt)
- [Commits](aio-libs/aiopg@v0.16.0...v1.0.0)

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

Author: dependabot-preview[bot]

requirements-dev.txt

@@ -3,7 +3,7 @@ aiohttp-security==0.4.0
 aiohttp-session==2.8.0
 aiohttp==3.6.1
 aiomysql==0.0.20
-aiopg==0.16.0
+aiopg==1.0.0
 coverage==4.5.4
 docker==4.0.2
 flake8==3.7.8