build(deps): bump amplitude-js from 8.14.1 to 8.15.0 in /website/client (#13742)

Bumps [amplitude-js](https://github.com/amplitude/amplitude-javascript) from 8.14.1 to 8.15.0.
- [Release notes](https://github.com/amplitude/amplitude-javascript/releases)
- [Changelog](https://github.com/amplitude/Amplitude-JavaScript/blob/main/CHANGELOG.md)
- [Commits](https://github.com/amplitude/amplitude-javascript/compare/v8.14.1...v8.15.0)

---
updated-dependencies:
- dependency-name: amplitude-js
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

website/client/package-lock.json

@@ -13525,9 +13525,9 @@
       "integrity": "sha1-l6ERlkmyEa0zaR2fn0hqjsn74KM="
     },
     "amplitude-js": {
-      "version": "8.14.1",
-      "resolved": "https://registry.npmjs.org/amplitude-js/-/amplitude-js-8.14.1.tgz",
-      "integrity": "sha512-OvGQQ8+xBQmR9OcDvo8ATeCwepx0GGKfB2MB9Wm2D+q0kuHR1a+1maIpewbOlGwdhySojltE6HwWlbPeovvHjg==",
+      "version": "8.15.0",
+      "resolved": "https://registry.npmjs.org/amplitude-js/-/amplitude-js-8.15.0.tgz",
+      "integrity": "sha512-8pHN4dfKB0XwzgtgdEZgPVgkPr/fRsv11BECATYdUAIpLkj+sVEob7DphBa7fpBWPmRm+NXe1LRryThPZp7UuQ==",
       "requires": {
         "@amplitude/ua-parser-js": "0.7.26",
         "@amplitude/utils": "^1.0.5",

website/client/package.json

@@ -25,7 +25,7 @@
     "@vue/cli-plugin-unit-mocha": "^4.5.15",
     "@vue/cli-service": "^4.5.15",
     "@vue/test-utils": "1.0.0-beta.29",
-    "amplitude-js": "^8.14.1",
+    "amplitude-js": "^8.15.0",
     "axios": "^0.24.0",
     "axios-progress-bar": "^1.2.0",
     "babel-eslint": "^10.1.0",