fix(deps): update dependency axios [security]

Author: renovate[bot]

@uportal/notification-banner/package-lock.json

@@ -25,7 +25,7 @@
         "@fortawesome/free-solid-svg-icons": "^5.4.1",
         "@fortawesome/vue-fontawesome": "^0.1.1",
         "@uportal/open-id-connect": "^1.14.1",
-        "axios": "^0.19.0",
+        "axios": "^0.28.0",
         "bootstrap-vue": "^2.0.0-rc.11",
         "vue": "2.6.11"
     },