14.8.0-beta.1

What's Changed

• chore: update Angular and igniteui-angular to 21.0.0 by @Copilot in #1463
• chore: replace always-auth=true with auth-type=legacy by @Copilot in #1464
• chore: update angular wrappers references to 21.0 by @Copilot in #1466

Full Changelog: v14.7.1...v14.8.0-beta.1