build(deps): bump amplitude-js from 5.6.0 to 5.7.0 in /website/client (#11569)

Bumps [amplitude-js](https://github.com/amplitude/amplitude-javascript) from 5.6.0 to 5.7.0.
- [Release notes](https://github.com/amplitude/amplitude-javascript/releases)
- [Changelog](https://github.com/amplitude/Amplitude-JavaScript/blob/master/CHANGELOG.md)
- [Commits](https://github.com/amplitude/amplitude-javascript/commits/v5.7.0)

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

website/client/package-lock.json

@@ -1798,9 +1798,9 @@
       "integrity": "sha1-l6ERlkmyEa0zaR2fn0hqjsn74KM="
     },
     "amplitude-js": {
-      "version": "5.6.0",
-      "resolved": "https://registry.npmjs.org/amplitude-js/-/amplitude-js-5.6.0.tgz",
-      "integrity": "sha512-XGaM0sTvMOrVYqfHhkKEikjQ/SzhEGbupxYopcrzEpEuNLenSOIBMyB0JycBcFI1hTWR4rGJ2TDRqIeRMmUZvg==",
+      "version": "5.7.0",
+      "resolved": "https://registry.npmjs.org/amplitude-js/-/amplitude-js-5.7.0.tgz",
+      "integrity": "sha512-nKE5oJhfuGTxUlJje4XJ7hpRmCTkM1G4sKRvk9vFxo/SsgHZ2qofd9a5Bvk/OKO2N4P9RMyLRa0byJ9j6NIAeg==",
       "requires": {
         "@amplitude/ua-parser-js": "0.7.20",
         "blueimp-md5": "^2.10.0",

website/client/package.json

@@ -17,7 +17,7 @@
     "@vue/cli-plugin-unit-mocha": "^4.0.5",
     "@vue/cli-service": "^4.0.5",
     "@vue/test-utils": "1.0.0-beta.29",
-    "amplitude-js": "^5.6.0",
+    "amplitude-js": "^5.7.0",
     "axios": "^0.19.0",
     "axios-progress-bar": "^1.2.0",
     "babel-eslint": "^10.0.1",