Bump scipy from 1.1.0 to 1.11.1 in /django_website

Bumps [scipy](https://github.com/scipy/scipy) from 1.1.0 to 1.11.1.
- [Release notes](https://github.com/scipy/scipy/releases)
- [Commits](scipy/scipy@v1.1.0...v1.11.1)

---
updated-dependencies:
- dependency-name: scipy
  dependency-type: direct:production
...

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

Author: dependabot[bot]

django_website/requirements.txt

@@ -23,5 +23,5 @@ python-Levenshtein==0.12.2
 redis==3.3.11
 requests==2.18.4
 scikit-image==0.14.0
-scipy==1.1.0
+scipy==1.11.1
 shapely==1.7.0