Release 0.21.0

[cloud-gov-pages-operations]

🤖 This is an automated release PR

chore: release 0.21.0
tag to create: 0.21.0
increment detected: MINOR

0.21.0 (2026-04-01)

Added

• create workshop site build flow 4856
• feat: create workshop oauth flow 4855
• Update app to Node v22 and update the dependencies
• Add site delete webhook for publisher site

Fixed

• branch with an invalid name should create an invalid build Branches that contain "=" do not build successfully and do not show up in the build history #2375
• remove deprecated component
• force patched version of fast-xml-parser
• set node value in Docker
• include screen reader text and update 404 test to expect updated login string
• adjust slightly navigation text style
• Audit and fix dependencies Audit and fix dependencies #4845
• Publisher endpoint host environment variable
• Use the correct bound route service domain by env

Maintenance

• Remove deprecated security-considerations automation files
• update to use new branding logos
• update color palette
• update styling to revise color palette
• update admin-client node engine
• update favicons with new pages logo
• update styles and menus

security considerations

Noted in individual PRs

[cloud-gov-pages-operations]

🤖 This is an automated code coverage report

Total coverage (lines): 38.96%
Coverage diff: 0% 📈