Bump browserslist from 4.2.0 to 4.16.6 in /website

Bumps [browserslist](https://github.com/browserslist/browserslist) from 4.2.0 to 4.16.6.
- [Release notes](https://github.com/browserslist/browserslist/releases)
- [Changelog](https://github.com/browserslist/browserslist/blob/main/CHANGELOG.md)
- [Commits](https://github.com/browserslist/browserslist/compare/4.2.0...4.16.6)

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

website/package-lock.json

@@ -396,14 +396,36 @@
       }
     },
     "browserslist": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.2.0.tgz",
-      "integrity": "sha512-Berls1CHL7qfQz8Lct6QxYA5d2Tvt4doDWHcjvAISybpd+EKZVppNtXgXhaN6SdrPKo7YLTSZuYBs5cYrSWN8w==",
+      "version": "4.16.6",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.16.6.tgz",
+      "integrity": "sha512-Wspk/PqO+4W9qp5iUTJsa1B/QrYn1keNCcEP5OvP7WBwT4KaDly0uONYmC6Xa3Z5IqnUgS0KcgLYu1l74x0ZXQ==",
       "dev": true,
       "requires": {
-        "caniuse-lite": "^1.0.30000889",
-        "electron-to-chromium": "^1.3.73",
-        "node-releases": "^1.0.0-alpha.12"
+        "caniuse-lite": "^1.0.30001219",
+        "colorette": "^1.2.2",
+        "electron-to-chromium": "^1.3.723",
+        "escalade": "^3.1.1",
+        "node-releases": "^1.1.71"
+      },
+      "dependencies": {
+        "caniuse-lite": {
+          "version": "1.0.30001228",
+          "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001228.tgz",
+          "integrity": "sha512-QQmLOGJ3DEgokHbMSA8cj2a+geXqmnpyOFT0lhQV6P3/YOJvGDEwoedcwxEQ30gJIwIIunHIicunJ2rzK5gB2A==",
+          "dev": true
+        },
+        "electron-to-chromium": {
+          "version": "1.3.736",
+          "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.736.tgz",
+          "integrity": "sha512-DY8dA7gR51MSo66DqitEQoUMQ0Z+A2DSXFi7tK304bdTVqczCAfUuyQw6Wdg8hIoo5zIxkU1L24RQtUce1Ioig==",
+          "dev": true
+        },
+        "node-releases": {
+          "version": "1.1.72",
+          "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.72.tgz",
+          "integrity": "sha512-LLUo+PpH3dU6XizX3iVoubUNheF/owjXCZZ5yACDxNnPtgFuludV1ZL3ayK1kVep42Rmm0+R9/Y60NQbZ2bifw==",
+          "dev": true
+        }
       }
     },
     "buffer-from": {
@@ -751,6 +773,12 @@
       "resolved": "https://registry.npmjs.org/color-support/-/color-support-1.1.3.tgz",
       "integrity": "sha512-qiBjkpbMLO/HL68y+lh4q0/O1MZFj2RX6X/KmMa3+gJD3z+WwI1ZzDHysvqHGS3mP6mznPckpXmw1nI9cJjyRg=="
     },
+    "colorette": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.2.2.tgz",
+      "integrity": "sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==",
+      "dev": true
+    },
     "colors": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/colors/-/colors-1.3.0.tgz",
@@ -1666,12 +1694,6 @@
         "jsbn": "~0.1.0"
       }
     },
-    "electron-to-chromium": {
-      "version": "1.3.75",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.75.tgz",
-      "integrity": "sha512-nLo03Qpw++8R6BxDZL/B1c8SQvUe/htdgc5LWYHe5YotV2jVvRUMP5AlOmxOsyeOzgMiXrNln2mC05Ixz6vuUQ==",
-      "dev": true
-    },
     "end-of-stream": {
       "version": "0.1.5",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-0.1.5.tgz",
@@ -1736,6 +1758,12 @@
         }
       }
     },
+    "escalade": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
+      "integrity": "sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==",
+      "dev": true
+    },
     "escape-string-regexp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
@@ -4558,23 +4586,6 @@
       "resolved": "https://registry.npmjs.org/natives/-/natives-1.1.4.tgz",
       "integrity": "sha512-Q29yeg9aFKwhLVdkTAejM/HvYG0Y1Am1+HUkFQGn5k2j8GS+v60TVmZh6nujpEAj/qql+wGUrlryO8bF+b1jEg=="
     },
-    "node-releases": {
-      "version": "1.0.0-alpha.12",
-      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.0.0-alpha.12.tgz",
-      "integrity": "sha512-VPB4rTPqpVyWKBHbSa4YPFme3+8WHsOSpvbp0Mfj0bWsC8TEjt4HQrLl1hsBDELlp1nB4lflSgSuGTYiuyaP7Q==",
-      "dev": true,
-      "requires": {
-        "semver": "^5.3.0"
-      },
-      "dependencies": {
-        "semver": {
-          "version": "5.5.1",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-5.5.1.tgz",
-          "integrity": "sha512-PqpAxfrEhlSUWge8dwIp4tZnQ25DIOthpiaHNIthsjEFQD6EvqUKUDM7L8O2rShkFccYo1VjJR0coWfNkCubRw==",
-          "dev": true
-        }
-      }
-    },
     "node-status-codes": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/node-status-codes/-/node-status-codes-1.0.0.tgz",