feat: import FooterSlot from frontend-slot-footer package

package.json

@@ -34,10 +34,10 @@
   },
   "dependencies": {
     "@edx/brand": "npm:@openedx/brand-openedx@^1.2.2",
-    "@edx/frontend-component-footer": "^13.0.2",
     "@edx/frontend-component-header": "^5.0.2",
     "@edx/frontend-platform": "^7.1.0",
     "@edx/openedx-atlas": "^0.6.0",
+    "@openedx/frontend-slot-footer": "^1.0.2",
     "@openedx/paragon": "^22.1.1",
     "@reduxjs/toolkit": "1.9.7",
     "@tinymce/tinymce-react": "3.13.1",
@@ -63,8 +63,8 @@
   },
   "devDependencies": {
     "@edx/browserslist-config": "1.2.0",
-    "@openedx/frontend-build": "^13.0.28",
     "@edx/reactifex": "1.1.0",
+    "@openedx/frontend-build": "^13.0.28",
     "@testing-library/jest-dom": "5.17.0",
     "@testing-library/react": "12.1.5",
     "@testing-library/user-event": "13.5.0",