Bump cornice-swagger from 0.7.0 to 1.0.0

Bumps [cornice-swagger](https://github.com/Cornices/cornice.ext.swagger) from 0.7.0 to 1.0.0.
- [Release notes](https://github.com/Cornices/cornice.ext.swagger/releases)
- [Changelog](https://github.com/Cornices/cornice.ext.swagger/blob/master/CHANGES.rst)
- [Commits](Cornices/cornice.ext.swagger@0.7.0...1.0.0)

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

requirements.txt

@@ -5,7 +5,7 @@ chardet==3.0.4
 colander==1.7.0
 colorama==0.4.3
 cornice==5.0.0
-cornice-swagger==0.7.0
+cornice-swagger==1.0.0
 dockerflow==2019.10.0
 hupper==1.10.2
 idna==2.9