Bump hupper from 1.10.2 to 1.10.3

Bumps [hupper](https://github.com/Pylons/hupper) from 1.10.2 to 1.10.3.
- [Release notes](https://github.com/Pylons/hupper/releases)
- [Changelog](https://github.com/Pylons/hupper/blob/master/CHANGES.rst)
- [Commits](Pylons/hupper@1.10.2...1.10.3)

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

requirements.txt

@@ -9,7 +9,7 @@ colorama==0.4.4
 cornice==5.2.0
 cornice-swagger==1.0.0
 dockerflow==2020.10.0
-hupper==1.10.2
+hupper==1.10.3
 idna==3.1
 iso8601==0.1.14
 Jinja2==3.0.0