Bump h11 from 0.14.0 to 0.16.0

Bumps [h11](https://github.com/python-hyper/h11) from 0.14.0 to 0.16.0.
- [Commits](python-hyper/h11@v0.14.0...v0.16.0)

---
updated-dependencies:
- dependency-name: h11
  dependency-version: 0.16.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -5,7 +5,7 @@ babel==2.15.0
 doc8==1.1.2
 docutils==0.19
 execnet==1.9.0
-h11==0.14.0
+h11==0.16.0
 id==1.5.0
 imagesize==1.4.1
 iniconfig==1.1.1