Bump flask-swagger-ui from 3.36.0 to 4.11.1 in /source/backend

Bumps [flask-swagger-ui](https://github.com/sveint/flask-swagger-ui) from 3.36.0 to 4.11.1.
- [Release notes](https://github.com/sveint/flask-swagger-ui/releases)
- [Commits](sveint/flask-swagger-ui@3.36.0...4.11.1)

---
updated-dependencies:
- dependency-name: flask-swagger-ui
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

source/backend/requirements.txt

@@ -3,7 +3,7 @@ requests==2.27.1
 Flask-SQLAlchemy==2.5.1
 psycopg2-binary==2.9.3
 python-dotenv==0.20.0
-flask-swagger-ui==3.36.0
+flask-swagger-ui==4.11.1
 vowpalwabbit==9.1.0
 pandas==1.4.2
 matplotlib==3.5.1