fix: package.json & package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-FOLLOWREDIRECTS-6444610

Author: snyk-bot

Diff for: package-lock.json

@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "@types/lodash": "^4.14.136",
-    "axios": "^0.19.0",
+    "axios": "^0.21.1",
     "core-js": "^2.6.5",
     "element-ui": "^2.11.1",
     "lodash": "^4.17.14",