feat(deps): reduce dependency pinning

Weblate will do the pinning directly via
WeblateOrg/weblate#19355, so we can remove most
of the pins here.

Author: nijel

requirements.txt

@@ -1,68 +1,3 @@
-aeidon==1.16
-ahocorasick-rs==1.0.3
-aliyun-python-sdk-alimt==3.2.0
-altcha==2.0.0
-argon2-cffi==25.1.0
-borgbackup==1.4.4
-boto3==1.43.4
-celery==5.6.3
-certifi==2026.4.22
-# For Argon2 and misaka
-cffi==2.0.0
-# For Azure Tenant auth
-cryptography==48.0.0
-Django==6.0.5
-django-appconf==1.2.0
-django-auth-ldap==5.3.0
-django-celery-beat==2.9.0
-django-cors-headers==4.9.0
-django-crispy-forms==2.6
-django-otp==1.7.0
-django-otp-webauthn==0.8.0
-django-redis==6.0.0
-django_compressor==4.6.0
-djangorestframework==3.17.1
 # Alernative Celery pool implementation
 gevent==26.4.0
-git-review==2.5.0
-google-cloud-translate==3.26.0
-granian==2.7.4
-hiredis==3.3.1
-html2text==2025.4.15
-iniparse==0.5
-lxml==6.1.0
-mercurial==7.2.1
-mistletoe==1.5.1
-nh3==0.3.5
-openai==2.34.0
-openpyxl==3.1.5
-phply==1.2.6
-Pillow==12.2.0
-psycopg[binary]==3.3.4
-pyasn1==0.6.3
-Pygments==2.20.0
-PyJWT==2.12.1
-pyOpenSSL==26.2.0
-pyparsing==3.3.2
-python-dateutil==2.9.0.post0
-python3-saml==1.16.0
-qrcode==8.2
-rapidfuzz==3.14.5
-raven
-redis==6.4.0
-requests==2.33.1
-rollbar==1.3.0
-ruamel.yaml==0.19.1
-sentry-sdk==2.59.0
-siphashc==2.7
-social-auth-app-django==5.9.0
-social-auth-core==4.9.1
 supervisor==4.3.0
-tesserocr==2.10.0
-tomlkit==0.14.0
-translate-toolkit==3.19.7
-translation-finder==2.24
-unicode-segmentation-rs==0.2.4
-urllib3==2.6.3
-weblate-language-data==2026.7
-wllegal==2026.3