Bump django from 3.2.14 to 3.2.15

Bumps [django](https://github.com/django/django) from 3.2.14 to 3.2.15.
- [Release notes](https://github.com/django/django/releases)
- [Commits](django/django@3.2.14...3.2.15)

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

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

Author: dependabot[bot]

requirements.txt

@@ -21,7 +21,7 @@ dash-core-components==1.16.0
 dash-html-components==1.1.3
 dash-renderer==1.9.1
 dash-table==4.11.3
-Django==3.2.14
+Django==3.2.15
 django-crispy-forms==1.14.0
 django-mathfilters==1.0.0
 django-plotly-dash==1.7.2