Merge branch 'bump_all_versions' into 'master'

Corrected steps for creating a patch release

Added step to bump all versions (CE, EE, CI) every time there is a patch release and the reasoning behind it

See merge request !1754

doc/release/patch.md

@@ -35,16 +35,13 @@ git clone git@dev.gitlab.org:gitlab/release-tools.git
 cd release-tools
 ```
 
-Bump version in stable branch, create release tag and push to remotes:
+Bump all versions in stable branch, even if the changes affect only EE, CE, or CI. Since all the versions are synced now,
+it doesn't make sense to say upgrade CE to 7.2, EE to 7.3 and CI to 7.1.
 
-```
-bundle exec rake release["x.x.x"]
-```
-
-Or if you need to release only EE:
+Create release tag and push to remotes:
 
 ```
-CE=false be rake release['x.x.x']
+bundle exec rake release["x.x.x"]
 ```
 
 ### Release