chore(deps): update dependency @edx/frontend-build to v9.1.1

Author: renovate-bot

package-lock.json

@@ -34,7 +34,7 @@
   "homepage": "https://github.com/edx/frontend-component-header#readme",
   "devDependencies": {
     "@edx/brand": "npm:@edx/[email protected]",
-    "@edx/frontend-build": "9.1.0",
+    "@edx/frontend-build": "9.1.1",
     "@edx/frontend-platform": "1.14.9",
     "@edx/paragon": "^16.0.0",
     "codecov": "3.8.3",