v2.54.0

✨ New Features

• 5469663 - add StoredObject metadata layer. Phase 3 (PR #4230 by @rpcross)

🐛 Bug Fixes

• b4a740f - add /.claude to .gitignore (PR #4257 by @rpcross)
• 20f385e - update strip_mailman_footer to handle multiple footers (PR #4264 by @rpcross)

🔧 Chores

• a644414 - deps: update pytest-django requirement from >=4.13.0 to >=4.14.0 (PR #4233 by @dependabot[bot])
• 34708f3 - deps: update boto3 requirement from >=1.43.42 to >=1.43.88 (PR #4234 by @dependabot[bot])
• 6615a18 - deps: bump psycopg from 3.3.4 to 3.3.5 (PR #4235 by @dependabot[bot])
• 22d528e - deps: bump cryptography from 50.0.0 to 50.0.1 (PR #4236 by @dependabot[bot])
• 321006c - deps: bump gunicorn from 26.0.0 to 26.2.0 (PR #4237 by @dependabot[bot])
• 90ab893 - deps-dev: bump sass in /frontend in the npm group (PR #4238 by @dependabot[bot])
• 5b1e3f7 - move Node.js from base image to dev container only (PR #4258 by @rpcross)
• 15e85cc - deps: bump cloudflare from 5.6.0 to 5.7.0 (PR #4259 by @dependabot[bot])
• 6020f17 - deps: update flower requirement from >=2.0.1 to >=2.1.0 (PR #4263 by @dependabot[bot])
• 2b9d16a - deps: bump celery from 5.5.3 to 5.6.3 (PR #4260 by @dependabot[bot])
• 223464f - deps: update boto3 requirement from >=1.43.88 to >=1.43.93 (PR #4261 by @dependabot[bot])
• b1b096a - deps: update boto3-stubs requirement from >=1.43.78 to >=1.43.93 (PR #4262 by @dependabot[bot])