Bump sphinx from 2.1.2 to 2.2.0

dependabot-preview[bot] · dependabot-preview[bot] · commit cd1714867520 · 2019-08-19T09:55:04.000Z
Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 2.1.2 to 2.2.0. - [Release notes](https://github.com/sphinx-doc/sphinx/releases) - [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES) - [Commits](sphinx-doc/sphinx@v2.1.2...v2.2.0) Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
diff --git a/requirements-doc.txt b/requirements-doc.txt
@@ -1,2 +1,2 @@
-sphinx==2.1.2
+sphinx==2.2.0
 sphinxcontrib-asyncio==0.2.0

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1,2 @@`
`1`		`-sphinx==2.1.2`
	`1`	`+sphinx==2.2.0`
`2`	`2`	`sphinxcontrib-asyncio==0.2.0`