v8.7.8
chore(angular): upgrade test apps to latest (#30517)
chore(docs): remove redundant word in comment (#30415)
chore(docs): consolidate the developer resource files into a docs/ directory (#29266)
refactor(dark): use palettes through url queries in test pages (#29238)
feat(input-otp): add new input-otp component (#30386)
chore(theming): remove Sass default flag & update guidelines (#29458)