v26.2

What's Changed

• fix: add additional_storage_quantity missing field to Admin and fix save function by @Rakanhf in #1474
• chore: update django storage import from s3boto3.S3Boto3Storage to s3.S3Storage by @gounux in #1475
• fix: enable signup using invitations when signup closed by @Rakanhf in #1480
• fix: add missing env vars in docker compose file by @gounux in #1479
• fix: update signup_closed template to use blocktrans with about_url variable by @Rakanhf in #1481

Full Changelog: v26.1...v26.2