Add Lagecy Tag for 0.x (#653)

Author: toubatbrian

package.json

@@ -8,7 +8,7 @@
     "clean:build": "turbo run clean:build",
     "build:agents": "turbo run build --filter=@livekit/agents...",
     "build:plugins": "turbo run build --filter=@livekit/agents-plugin-*...",
-    "ci:publish": "pnpm build && changeset publish",
+    "ci:publish": "pnpm build && changeset publish --tag legacy",
     "api:check": "turbo run api:check",
     "api:update": "turbo run api:update",
     "format:check": "prettier --check \"**/src/**/*.{ts,tsx,md,json}\"",