chore(deps-dev): bump axios from 0.21.2 to 1.6.0 in /backend

Bumps [axios](https://github.com/axios/axios) from 0.21.2 to 1.6.0.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/v1.x/CHANGELOG.md)
- [Commits](axios/axios@v0.21.2...v1.6.0)

---
updated-dependencies:
- dependency-name: axios
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

backend/package.json

@@ -32,7 +32,7 @@
     "@babel/preset-env": "^7.18.0",
     "@babel/register": "^7.17.7",
     "@types/gulp": "^4.0.9",
-    "axios": "^0.21.2",
+    "axios": "^1.6.0",
     "babel-plugin-relative-path-import": "^2.0.1",
     "babelify": "^10.0.0",
     "browser-pack-flat": "^3.4.2",