chore: update frontend-component-header to v8 (#468)

Author: Anas12091101

package-lock.json

@@ -29,7 +29,7 @@
   "dependencies": {
     "@edx/brand": "npm:@openedx/brand-openedx@^1.2.2",
     "@edx/frontend-component-footer": "^14.6.0",
-    "@edx/frontend-component-header": "^6.2.0",
+    "@edx/frontend-component-header": "^8.0.0",
     "@edx/frontend-platform": "^8.3.1",
     "@edx/openedx-atlas": "^0.6.0",
     "@fortawesome/fontawesome-svg-core": "^1.2.36",