chore(deps): bump django in /tests/apps/dockerfile-release

Bumps [django](https://github.com/django/django) from 3.0.7 to 3.1.6.
- [Release notes](https://github.com/django/django/releases)
- [Commits](https://github.com/django/django/compare/3.0.7...3.1.6)

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

tests/apps/dockerfile-release/Pipfile.lock

@@ -18,10 +18,10 @@
     "default": {
         "asgiref": {
             "hashes": [
-                "sha256:7e51911ee147dd685c3c8b805c0ad0cb58d360987b56953878f8c06d2d1c6f1a",
-                "sha256:9fc6fb5d39b8af147ba40765234fa822b39818b12cc80b35ad9b0cef3a476aed"
+                "sha256:5ee950735509d04eb673bd7f7120f8fa1c9e2df495394992c73234d526907e17",
+                "sha256:7162a3cb30ab0609f1a4c95938fd73e8604f63bdba516a7f7d64b83ff09478f0"
             ],
-            "version": "==3.2.10"
+            "version": "==3.3.1"
         },
         "dj-database-url": {
             "hashes": [
@@ -33,11 +33,11 @@
         },
         "django": {
             "hashes": [
-                "sha256:5052b34b34b3425233c682e0e11d658fd6efd587d11335a0203d827224ada8f2",
-                "sha256:e1630333248c9b3d4e38f02093a26f1e07b271ca896d73097457996e0fae12e8"
+                "sha256:169e2e7b4839a7910b393eec127fd7cbae62e80fa55f89c6510426abf673fe5f",
+                "sha256:c6c0462b8b361f8691171af1fb87eceb4442da28477e12200c40420176206ba7"
             ],
             "index": "pypi",
-            "version": "==3.0.7"
+            "version": "==3.1.6"
         },
         "djangorestframework": {
             "hashes": [
@@ -95,17 +95,17 @@
         },
         "pytz": {
             "hashes": [
-                "sha256:a494d53b6d39c3c6e44c3bec237336e14305e4f29bbf800b599253057fbb79ed",
-                "sha256:c35965d010ce31b23eeb663ed3cc8c906275d6be1a34393a1d73a41febf4a048"
+                "sha256:83a4a90894bf38e243cf052c8b58f381bfe9a7a483f6a9cab140bc7f702ac4da",
+                "sha256:eb10ce3e7736052ed3623d49975ce333bcd712c7bb19a58b9e2089d4057d0798"
             ],
-            "version": "==2020.1"
+            "version": "==2021.1"
         },
         "sqlparse": {
             "hashes": [
-                "sha256:022fb9c87b524d1f7862b3037e541f68597a730a8843245c349fc93e1643dc4e",
-                "sha256:e162203737712307dfe78860cc56c8da8a852ab2ee33750e33aeadf38d12c548"
+                "sha256:017cde379adbd6a1f15a61873f43e8274179378e95ef3fede90b5aa64d304ed0",
+                "sha256:0f91fd2e829c44362cbcfab3e9ae12e22badaa8a29ad5ff599f9ec109f0454e8"
             ],
-            "version": "==0.3.1"
+            "version": "==0.4.1"
         },
         "whitenoise": {
             "hashes": [