feat: import FooterSlot from component package instead of slot package (#450)

package.json

@@ -30,7 +30,7 @@
   ],
   "dependencies": {
     "@edx/brand": "npm:@openedx/brand-openedx@^1.2.2",
-    "@edx/frontend-component-footer": "^14.3.0",
+    "@edx/frontend-component-footer": "^14.6.0",
     "@edx/frontend-component-header": "^6.4.0",
     "@edx/frontend-platform": "^8.3.1",
     "@edx/openedx-atlas": "^0.6.0",
@@ -41,7 +41,6 @@
     "@fortawesome/free-solid-svg-icons": "^5.11.2",
     "@fortawesome/react-fontawesome": "^0.1.5",
     "@openedx/frontend-plugin-framework": "^1.6.0",
-    "@openedx/frontend-slot-footer": "^1.0.2",
     "@openedx/paragon": "^22.16.0",
     "@redux-beacon/segment": "^1.0.0",
     "@reduxjs/toolkit": "^1.5.1",