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/v0.21.1/CHANGELOG.md)
- [Commits](axios/axios@v0.18.1...v0.21.1)

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

Author: dependabot[bot]

package.json

@@ -32,7 +32,7 @@
     "@types/chai-as-promised": "7.1.0",
     "@types/node": "^10.12.0",
     "apidoc": "^0.16.1",
-    "axios": "^0.19.2",
+    "axios": "^0.21.1",
     "bignumber.js": "^8.0.1",
     "cbor": "^4.1.1",
     "chai": "^4.1.2",

yarn.lock

@@ -826,6 +826,12 @@ axios@^0.19.2:
   dependencies:
     follow-redirects "1.5.10"
 
+axios@^0.21.1:
+  version "0.21.1"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-0.21.1.tgz#22563481962f4d6bde9a76d516ef0e5d3c09b2b8"
+  dependencies:
+    follow-redirects "^1.10.0"
+
 babel-cli@^6.18.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-cli/-/babel-cli-6.26.0.tgz#502ab54874d7db88ad00b887a06383ce03d002f1"
@@ -3711,6 +3717,10 @@ follow-redirects@1.5.10:
   dependencies:
     debug "=3.1.0"
 
+follow-redirects@^1.10.0:
+  version "1.13.2"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.13.2.tgz#dd73c8effc12728ba5cf4259d760ea5fb83e3147"
+
 for-each@^0.3.3, for-each@~0.3.3:
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/for-each/-/for-each-0.3.3.tgz#69b447e88a0a5d32c3e7084f3f1710034b21376e"