chore(release): 0.14.0

[benvinegar]

$(cat <<'EOF'

Summary

• bump sideshow from 0.13.0 to 0.14.0
• consume the pending Changesets
• generate the 0.14.0 changelog

Validation

• npm run format:check
• npm run lint
• npm run typecheck
• npm test
• npm run coverage
• npm run test:worker
• npm run security:audit
• npm run test:e2e -- --project=chromium
• npm pack --dry-run

This PR description was generated by Pi using gpt-5.6-sol
EOF
)

This PR description was generated by Pi using GPT-5.6 Sol