chore(deps): update dependency @edx/brand to v1.2.1

Author: renovate[bot]

package.json

@@ -33,7 +33,7 @@
   },
   "homepage": "https://github.com/edx/frontend-component-footer#readme",
   "devDependencies": {
-    "@edx/brand": "npm:@edx/brand-openedx@1.1.0",
+    "@edx/brand": "npm:@edx/brand-openedx@1.2.1",
     "@edx/frontend-build": "5.6.14",
     "@edx/frontend-platform": "1.14.1",
     "@edx/paragon": "12.8.0",