7.2.0

• Add new lesson 'Squeezing pictures into less space' for ages 5 to 10 within the 'Image Representation' topic.
• Add 'Run Length Encoding Worksheet' printable.
• Add new 'At a distance' lessons:
  • Parity Magic
  • QR Codes
  • Product Code Check Digits
  • Image Compression
  • Information Theory
• Updated existing 'At a distance' lessons, to be consistent with new content:
  • The Stroop Effect
  • Algorithms
  • Binary Representation
  • Finite State Automata
• Open links within 'At a distance' content in a new tab.
• Clarify prompt for closing 'At a distance' slides starting modal.
• Update existing content instead of deleting and recreating content.
  Used to remove downtime of content upon deployments.
• Fix bug where a nested details element would use icon state from parent details element.
• Switch to Plausible analytics.
• Dependency updates:
  • Update actions/setup-python from v2 to v4.3.0.
  • Update autoprefixer from 10.4.11 to 10.4.13.
  • Update coverage from 6.4.4 to 6.5.0.
  • Update crowdin/github-action from 1.4.13 to 1.4.16.
  • Update cssnano from 5.1.13 to 5.1.14.
  • Update cssselect from 1.1.0 to 1.2.0.
  • Update dependabot/fetch-metadata from v1.3.3 to v1.3.4.
  • Update django from 3.2.15 to 3.2.16.
  • Update django-debug-toolbar from 3.6.0 to 3.7.0.
  • Update django-modeltranslation from 0.18.4 to 0.18.5.
  • Update docker/build-push-action from v2.8.0 to v3.2.0.
  • Update docker/login-action from v2.0.0 to v2.1.0.
  • Update Pillow from 9.2.0 to 9.3.0.
  • Update postcss from 8.4.16 to 8.4.18.
  • Update psycopg2 from 2.9.3 to 2.9.5.
  • Update PyPDF2 from 2.10.8 to 2.11.1.
  • Update reveal.js from 4.3.1 to 4.4.0.
  • Update sass from 1.54.9 to 1.55.0.
  • Update scratchblocks from UCCSER version to official 3.6.1.
    Our changes were accepted within the official repository.
  • Update sphinx-rtd-theme from 1.0.0 to 1.1.0.
  • Update uniseg from 0.7.1.post2 to 0.7.2.
  • Update yargs from 17.5.1 to 17.6.0.