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

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

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "simplelogin-extension",
-  "version": "2.4.2",
+  "version": "2.4.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1800,11 +1800,11 @@
       "dev": true
     },
     "axios": {
-      "version": "0.19.2",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.19.2.tgz",
-      "integrity": "sha512-fjgm5MvRHLhx+osE2xoekY70AhARk3a6hkN+3Io1jc00jtquGvxYlKlsFUhmUET0V5te6CcZI7lcv2Ym61mjHA==",
+      "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": "1.5.10"
+        "follow-redirects": "^1.14.0"
       }
     },
     "babel-loader": {
@@ -3384,27 +3384,9 @@
       }
     },
     "follow-redirects": {
-      "version": "1.5.10",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.5.10.tgz",
-      "integrity": "sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==",
-      "requires": {
-        "debug": "=3.1.0"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "ms": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
-        }
-      }
+      "version": "1.14.3",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.14.3.tgz",
+      "integrity": "sha512-3MkHxknWMUtb23apkgz/83fDoe+y+qr0TdgacGIA7bew+QLBo3vdgEN2xEsuXNivpFy4CyDhBBZnNZOtalmenw=="
     },
     "for-in": {
       "version": "1.0.2",

package.json

@@ -22,7 +22,7 @@
     "@fortawesome/vue-fontawesome": "^0.1.10",
     "@sentry/browser": "^5.21.3",
     "@sentry/integrations": "^5.23.0",
-    "axios": "^0.19.2",
+    "axios": "^0.21.3",
     "bootstrap": "^4.5.2",
     "bootstrap-vue": "^2.16.0",
     "v-clipboard": "^2.2.3",