Remove early access alpha banners from codegen and update @seamapi/types

Remove alpha field for access_grants, access_methods, and spaces in
paths.yaml so CI regeneration drops the banners from API reference pages.

Update @seamapi/types from ^1.806.0 to ^1.809.0.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: louis-pre

codegen/data/paths.yaml

@@ -101,15 +101,12 @@
 
 /access_grants:
   title: Access Grants
-  alpha: "**Early Access Preview.** The Access Grants API is currently in Alpha. We're actively developing it and seeking early feedback at [support@seam.co](mailto:support@seam.co). Expect breaking changes as we refine the design."
 
 /access_methods:
   title: Access Methods
-  alpha: "**Early Access Preview.** The access methods API is currently in Alpha. We're actively developing it and seeking early feedback at [support@seam.co](mailto:support@seam.co). Expect breaking changes as we refine the design."
 
 /spaces:
   title: Spaces
-  alpha: "**Early Access Preview.** The spaces API is currently in Alpha. We're actively developing it and seeking early feedback at [support@seam.co](mailto:support@seam.co). Expect breaking changes as we refine the design."
 
 /customers:
   title: Customers

package-lock.json

@@ -36,7 +36,7 @@
     "@prettier/plugin-ruby": "^4.0.4",
     "@seamapi/blueprint": "^0.55.0",
     "@seamapi/smith": "^0.5.2",
-    "@seamapi/types": "^1.806.0",
+    "@seamapi/types": "^1.809.0",
     "@types/command-exists": "^1.2.3",
     "change-case": "^5.4.4",
     "command-exists": "^1.2.9",