Bump axios from 0.19.0 to 0.21.1 in /cauldron-app (#75)

Bumps [axios](https://github.com/axios/axios) from 0.19.0 to 0.21.1.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/v0.21.1/CHANGELOG.md)
- [Commits](axios/axios@v0.19.0...v0.21.1)

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cauldron-app/package.json

@@ -9,7 +9,7 @@
     "lint": "vue-cli-service lint"
   },
   "dependencies": {
-    "axios": "^0.21.0",
+    "axios": "^0.21.1",
     "bulma": "^0.9.1",
     "bulma-extensions": "^6.2.7",
     "core-js": "^3.6.5",