Bump django from 3.2.5 to 3.2.12 (#247)

Bumps [django](https://github.com/django/django) from 3.2.5 to 3.2.12.
- [Release notes](https://github.com/django/django/releases)
- [Commits](django/django@3.2.5...3.2.12)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -2,6 +2,6 @@ nose2==0.8.0
 psycopg2-binary==2.8.6
 icalendar==4.0.3
 openpyxl==2.6.2
-django==3.2.5
+django==3.2.12
 plotly==5.3.1
 pandas==1.3.4