fix: package.json & package-lock.json to reduce vulnerabilities (#29)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-AXIOS-1579269

package-lock.json

@@ -11,7 +11,7 @@
         "@sendgrid/mail": "^7.4.4",
         "app-root-path": "^3.0.0",
         "autoprefixer": "^10.3.4",
-        "axios": "^0.21.2",
+        "axios": "^0.21.3",
         "cookie-parser": "^1.4.5",
         "express": "^4.17.1",
         "express-rate-limit": "^5.2.6",
@@ -449,9 +449,9 @@
       }
     },
     "node_modules/axios": {
-      "version": "0.21.2",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.2.tgz",
-      "integrity": "sha512-87otirqUw3e8CzHTMO+/9kh/FSgXt/eVDvipijwDtEuwbkySWZ9SBm6VEubmJ/kLKEoLQV/POhxXFb66bfekfg==",
+      "version": "0.21.3",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.3.tgz",
+      "integrity": "sha512-JtoZ3Ndke/+Iwt5n+BgSli/3idTvpt5OjKyoCmz4LX5+lPiY5l7C1colYezhlxThjNa/NhngCUWZSZFypIFuaA==",
       "dependencies": {
         "follow-redirects": "^1.14.0"
       }
@@ -4172,9 +4172,9 @@
       }
     },
     "axios": {
-      "version": "0.21.2",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.2.tgz",
-      "integrity": "sha512-87otirqUw3e8CzHTMO+/9kh/FSgXt/eVDvipijwDtEuwbkySWZ9SBm6VEubmJ/kLKEoLQV/POhxXFb66bfekfg==",
+      "version": "0.21.3",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.3.tgz",
+      "integrity": "sha512-JtoZ3Ndke/+Iwt5n+BgSli/3idTvpt5OjKyoCmz4LX5+lPiY5l7C1colYezhlxThjNa/NhngCUWZSZFypIFuaA==",
       "requires": {
         "follow-redirects": "^1.14.0"
       }

package.json

@@ -19,7 +19,7 @@
   "dependencies": {
     "@sendgrid/mail": "^7.4.4",
     "app-root-path": "^3.0.0",
-    "axios": "^0.21.2",
+    "axios": "^0.21.3",
     "cookie-parser": "^1.4.5",
     "express": "^4.17.1",
     "express-rate-limit": "^5.2.6",