chore(release): bump version to 0.9.6

[jmynes]

Summary

Patch release containing only dependency bumps since v0.9.5.

Major-version dependency upgrades since v0.9.5

• lint-staged 16 → 17 + Node 22.22.1 (chore(node): bump Node to 22.22.1 and lint-staged to 17 (PR #556) #563)
• @tsparticles/ (engine/confetti/slim)* 3 → 4 with hook migration to v4's `paint.fill.color` schema (chore(deps): bump @tsparticles/* from 3.9.1 to 4.1.x (PRs #557/#558/#560) #564)
• @mdxeditor/editor 3 → 4 with `codeBlockLanguages` shape migration (chore(deps): bump @mdxeditor/editor 3.55 → 4.0.2 (PR #559) #565, fix(editor): remove duplicate InsertCodeBlock toolbar button #566)
• react-day-picker 9 → 10 with prop & classname migrations (chore(deps): bump react-day-picker 9.14 → 10.0.1 (PR #546) #567)

Grouped patch/minor bumps

Three rounds of combined Dependabot bumps:

• chore(deps): combined dependency bumps (PRs #524, #527-532) #533 (PRs chore(deps): Bump the dev-dependencies group with 2 updates #524, chore(deps): Bump @docusaurus/tsconfig from 3.10.0 to 3.10.1 in /docs-site #527-chore(deps): Bump the production-dependencies group across 1 directory with 12 updates #532)
• chore(deps): combined dependency bumps (PRs #535, #536, #537) #541 (PRs chore(deps): Bump react from 19.2.5 to 19.2.6 in /docs-site #535, chore(deps): Bump the production-dependencies group with 17 updates #536, chore(deps): Bump the dev-dependencies group with 3 updates #537)
• chore(deps): combined dependency bumps (PRs #542, #550, #551) #552 (PRs chore(deps): Bump react-dom from 19.2.5 to 19.2.6 in /docs-site #542, chore(deps): Bump the dev-dependencies group across 1 directory with 3 updates #550, chore(deps): Bump the production-dependencies group across 1 directory with 10 updates #551)
• chore(deps): combined dependency bumps (PRs #553, #555, #561) #562 (PRs chore(deps): Bump react from 19.2.6 to 19.2.7 in /docs-site #553, chore(deps): Bump the dev-dependencies group with 3 updates #555, chore(deps): Bump the production-dependencies group across 1 directory with 14 updates #561)

Test plan

• All consumer call sites updated for major-version API changes
• CI green on each individual PR
• Release workflow (lint/test/build/tag) succeeds after merge

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