Python 3.11 (#22)

* Python 3.8 is going to reach EOL by the start of the 2024-25 school
year (bad)
* As a grading software, Tin should always try to keep up with security
fixes and bug patches.

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - 3.8
+          - 3.11
 
     services:
       redis:
@@ -68,7 +68,7 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - 3.8
+          - 3.11
 
     steps:
       - name: Set up repo

.github/workflows/deploy-docs.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - 3.8
+          - 3.11
 
     steps:
       - name: Checkout repository

Pipfile

@@ -9,19 +9,19 @@ channels = "~=4.1"
 daphne = "~=4.1"
 gunicorn = "~=22.0"
 social-auth-app-django = "~=5.4"
-requests = "~=2.31"
+requests = "~=2.32"
 psutil = "~=5.9"
-celery = "~=5.3.5"  # Celery v5.4 may stop supporting Python 3.8
+celery = "~=5.4.0"  # warning: doesn't use semantic versioning (lock minor version)
 django-celery-results = "~=2.5"
 django-markdownify = "~=0.9"  # includes the markdown package
 psycopg = "~=3.1"
 virtualenv = "~=20.26"
 redis = "~=5.0"
 channels-redis = "~=4.2"
 django-extensions = "~=3.2"
-ipython = "~=8.12.3"  # IPython follows NEP 29, so v8.13 does not support Python 3.8
+ipython = "~=8.24.0"  # warning: doesn't use semantic versioning (lock minor version)
 mosspy = "~=1.0"
-django-debug-toolbar = "~=4.3"
+django-debug-toolbar = "~=4.4"
 
 [dev-packages]
 pytest-django = "~=4.8"
@@ -39,4 +39,4 @@ sphinxcontrib-django = "*"
 pytest-cov = "*"
 
 [requires]
-python_version = "3.8"
+python_version = "3.11"