Bump django from 3.1.8 to 3.1.9 (#146)

Bumps [django](https://github.com/django/django) from 3.1.8 to 3.1.9.
- [Release notes](https://github.com/django/django/releases)
- [Commits](https://github.com/django/django/compare/3.1.8...3.1.9)

---
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>

Pipfile.lock

@@ -66,11 +66,11 @@
         },
         "django": {
             "hashes": [
-                "sha256:c348b3ddc452bf4b62361f0752f71a339140c777ebea3cdaaaa8fdb7f417a862",
-                "sha256:f8393103e15ec2d2d313ccbb95a3f1da092f9f58d74ac1c61ca2ac0436ae1eac"
+                "sha256:296d10092561a1cf16100885b935dc56cf09c8ccb114e64004554941677c6342",
+                "sha256:f5c3f1ce2473abf2f35d992c46d5534e53bd3397867689bde28fd29e856b46b7"
             ],
             "index": "pypi",
-            "version": "==3.1.8"
+            "version": "==3.1.9"
         },
         "django-allauth": {
             "hashes": [
@@ -313,7 +313,6 @@
                 "sha256:753a0374df26658f99d826cfe40394a686d05985786d946fbe4165b5148f5a7c",
                 "sha256:a7acd0977125325f516bda9735fa7142b909a8d01e8b2e4c8108d0984e6e0098"
             ],
-            "index": "pypi",
             "version": "==1.26.5"
         },
         "user-agents": {