feat(deps): update header to 5.6.0 (#431)

Author: brian-smith-tcril

package-lock.json

@@ -36,7 +36,7 @@
   "dependencies": {
     "@edx/brand": "npm:@openedx/brand-openedx@^1.2.2",
     "@edx/frontend-component-footer": "14.1.0",
-    "@edx/frontend-component-header": "5.5.0",
+    "@edx/frontend-component-header": "^5.6.0",
     "@edx/frontend-platform": "8.1.2",
     "@edx/openedx-atlas": "^0.6.0",
     "@fortawesome/fontawesome-svg-core": "6.6.0",