Release version <next>

[github-actions]

These commits are new since version 0.4.1:

• fd39108 Delete deps.yml
• aa17b43 Delete .github/workflows/deps.yml
• 494816d Update poetry.lock (django) (Update poetry.lock (django) #41)
• 9a42119 Update poetry.lock (black and django) (Update poetry.lock (black and django) #39)
• dc0e315 Update poetry.lock (black and django) (Update poetry.lock (black and django) #36)
• a18f3ed Update chart.js in package.json from 3.8.2 to 3.9.1 (Update chart.js in package.json from 3.8.2 to 3.9.1 #37)

To release the new version:

• Label this PR (ex. release: major)
• Update the changelog on this branch (optional)
• Merge this PR (commit message should start with Release version {version})