chore(deps): Bump axios from 0.19.2 to 0.21.1 (#23)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -37,7 +37,7 @@
   "dependencies": {
     "@vuepress/plugin-active-header-links": "^1.4.1",
     "@vuepress/plugin-last-updated": "^1.4.1",
-    "axios": "^0.19.2",
+    "axios": "^0.21.1",
     "vuepress-plugin-define": "^1.1.1"
   },
   "devDependencies": {