fix: package.json & yarn.lock to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-FOLLOWREDIRECTS-2332181
- https://snyk.io/vuln/SNYK-JS-FOLLOWREDIRECTS-2396346

package.json

@@ -10,7 +10,7 @@
     "lint": "vue-cli-service lint"
   },
   "dependencies": {
-    "axios": "^0.20.0",
+    "axios": "^0.21.1",
     "core-js": "^3.6.5",
     "vue": "^3.0.0-0",
     "vue-router": "^4.0.0-0"

yarn.lock

@@ -2266,12 +2266,12 @@ aws4@^1.8.0:
   resolved "https://registry.npm.taobao.org/aws4/download/aws4-1.10.1.tgz?cache=0&sync_timestamp=1597237000462&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Faws4%2Fdownload%2Faws4-1.10.1.tgz#e1e82e4f3e999e2cfd61b161280d16a111f86428"
   integrity sha1-4eguTz6Zniz9YbFhKA0WoRH4ZCg=
 
-axios@^0.20.0:
-  version "0.20.0"
-  resolved "https://registry.yarnpkg.com/axios/-/axios-0.20.0.tgz#057ba30f04884694993a8cd07fa394cff11c50bd"
-  integrity sha512-ANA4rr2BDcmmAQLOKft2fufrtuvlqR+cXNNinUmvfeSNCOF98PZL+7M/v1zIdGo7OLjEA9J2gXJL+j4zGsl0bA==
+axios@^0.21.1:
+  version "0.21.4"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-0.21.4.tgz#c67b90dc0568e5c1cf2b0b858c43ba28e2eda575"
+  integrity sha512-ut5vewkiu8jjGBdqpM44XxjuCjq9LAKeHVmoVfHVzy8eHgxxq8SbAVQNovDA8mVi05kP0Ea/n/UzcSHcTJQfNg==
   dependencies:
-    follow-redirects "^1.10.0"
+    follow-redirects "^1.14.0"
 
 babel-code-frame@^6.26.0:
   version "6.26.0"
@@ -4940,11 +4940,16 @@ flush-write-stream@^1.0.0:
     inherits "^2.0.3"
     readable-stream "^2.3.6"
 
-follow-redirects@^1.0.0, follow-redirects@^1.10.0:
+follow-redirects@^1.0.0:
   version "1.13.0"
   resolved "https://registry.npm.taobao.org/follow-redirects/download/follow-redirects-1.13.0.tgz?cache=0&sync_timestamp=1597058059404&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Ffollow-redirects%2Fdownload%2Ffollow-redirects-1.13.0.tgz#b42e8d93a2a7eea5ed88633676d6597bc8e384db"
   integrity sha1-tC6Nk6Kn7qXtiGM2dtZZe8jjhNs=
 
+follow-redirects@^1.14.0:
+  version "1.15.3"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.3.tgz#fe2f3ef2690afce7e82ed0b44db08165b207123a"
+  integrity sha512-1VzOtuEM8pC9SFU1E+8KfTjZyMztRsgEfwQl44z8A25uy13jSzTj6dyK2Df52iV0vgHCfBwLhDWevLn95w5v6Q==
+
 for-in@^1.0.2:
   version "1.0.2"
   resolved "https://registry.npm.taobao.org/for-in/download/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"