build(client): Generate changelogs for 2.21.0

[tylerbutler]

pnpm flub generate changelog -g client

Copilot reviewed 144 out of 159 changed files in this pull request and generated no comments.

Files not reviewed (15)

• .changeset/all-heads-lay.md: Evaluated as low risk
• .changeset/light-pears-hammer.md: Evaluated as low risk
• .changeset/many-gifts-strive.md: Evaluated as low risk
• .changeset/quick-chairs-smile.md: Evaluated as low risk
• examples/apps/contact-collection/CHANGELOG.md: Evaluated as low risk
• examples/apps/data-object-grid/CHANGELOG.md: Evaluated as low risk
• examples/apps/ai-collab/CHANGELOG.md: Evaluated as low risk
• examples/apps/attributable-map/CHANGELOG.md: Evaluated as low risk
• examples/apps/branching/CHANGELOG.md: Evaluated as low risk
• examples/apps/collaborative-textarea/CHANGELOG.md: Evaluated as low risk
• azure/packages/azure-local-service/CHANGELOG.md: Evaluated as low risk
• azure/packages/azure-service-utils/CHANGELOG.md: Evaluated as low risk
• examples/apps/task-selection/CHANGELOG.md: Evaluated as low risk
• examples/apps/tree-comparison/CHANGELOG.md: Evaluated as low risk
• examples/benchmarks/bubblebench/ot/CHANGELOG.md: Evaluated as low risk

[github-actions]

🔗 No broken links found! ✅

Your attention to detail is admirable.

linkcheck output

> [email protected] ci:check-links /home/runner/work/FluidFramework/FluidFramework/docs
> start-server-and-test "npm run serve -- --no-open" 3000 check-links

1: starting server using command "npm run serve -- --no-open"
and when url "[ 'http://127.0.0.1:3000' ]" is responding with HTTP status code 200
running tests using command "npm run check-links"


> [email protected] serve
> docusaurus serve --no-open

[SUCCESS] Serving "build" directory at: http://localhost:3000/

> [email protected] check-links
> linkcheck http://localhost:3000 --skip-file skipped-urls.txt

Crawling...

Stats:
  160781 links
    1452 destination URLs
    1683 URLs ignored
       0 warnings
       0 errors