Bump axios from 0.21.4 to 1.6.0 in /browser/flagr-ui

Bumps [axios](https://github.com/axios/axios) from 0.21.4 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@v0.21.4...v1.6.0)

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

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

Author: dependabot[bot]

browser/flagr-ui/package-lock.json

@@ -10,7 +10,7 @@
   },
   "dependencies": {
     "@iktakahiro/markdown-it-katex": "^4.0.0",
-    "axios": "^0.21.1",
+    "axios": "^1.6.0",
     "core-js": "^3.4.4",
     "diff": "^3.4.0",
     "element-ui": "^2.4.6",