fix: Add frontend-build 12.9.0-alpha.1 in peer dep (#529)

Author: Mashal-m

package.json

@@ -74,7 +74,7 @@
     "universal-cookie": "4.0.4"
   },
   "peerDependencies": {
-    "@edx/frontend-build": ">= 8.1.0",
+    "@edx/frontend-build": ">= 8.1.0 || ^12.9.0-alpha.1",
     "@edx/paragon": ">= 10.0.0 < 21.0.0",
     "prop-types": "^15.7.2",
     "react": "^16.9.0 || ^17.0.0",