Prepare Objects API release 3.3.0

[stevenbal]

• Resolve release blockers
  • ⚡ [#677] Denormalize ObjectRecord by adding _object_type #678 -> potentially better to move this to a separate release
  • ⬆️ Upgrade dependencies #671
  • ♻️ [maykinmedia/open-api-framework#175] Improve handled_exception #682
  • Update logging.rst to show how exceptions are logged with structlog (via API)
• Upgrade open-api-framework to latest version
• Check security tab and upgrade packages to fix vulnerabilities
• Check translations
• Bump API version number (if applicable)
  • Version bump
  • Regenerate API spec
  • Update READMEs with release dates + links
• Bump version number with bin/bump-my-version.sh bump <major|minor|patch>
• Update changelog