fix(deps): update dependency @edx/frontend-component-footer to v11.6.0

Author: renovate[bot]

package-lock.json

@@ -36,7 +36,7 @@
   },
   "dependencies": {
     "@edx/brand": "npm:@edx/brand-openedx@1.1.0",
-    "@edx/frontend-component-footer": "11.2.1",
+    "@edx/frontend-component-footer": "11.6.0",
     "@edx/frontend-component-header": "3.5.0",
     "@edx/frontend-platform": "2.6.2",
     "@edx/paragon": "19.25.3",