Bump axios from 0.18.1 to 0.21.1

Bumps [axios](https://github.com/axios/axios) from 0.18.1 to 0.21.1.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/master/CHANGELOG.md)
- [Commits](axios/axios@v0.18.1...v0.21.1)

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -11,7 +11,7 @@
     "@testing-library/jest-dom": "^5.7.0",
     "@types/markerclustererplus": "^2.1.29",
     "@types/react": "^16.0.0",
-    "axios": "^0.18.0",
+    "axios": "^0.21.1",
     "babel-jest": "^26.6.3",
     "bootstrap": "^4.5.3",
     "dom-to-image": "^2.6.0",