Bump superdesk-analytics from v2.8.0 to v2.8.1 in /client (#357)

Bumps [superdesk-analytics](https://github.com/superdesk/superdesk-analytics) from v2.8.0 to v2.8.1.
- [Release notes](https://github.com/superdesk/superdesk-analytics/releases)
- [Changelog](https://github.com/superdesk/superdesk-analytics/blob/develop/CHANGELOG.md)
- [Commits](superdesk/superdesk-analytics@c3300ed...db05a74)

---
updated-dependencies:
- dependency-name: superdesk-analytics
  dependency-type: direct:production
...

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client/package.json

@@ -2,7 +2,7 @@
     "name": "superdesk",
     "license": "GPL-3.0",
     "dependencies": {
-        "superdesk-analytics": "github:superdesk/superdesk-analytics#v2.8.0",
+        "superdesk-analytics": "github:superdesk/superdesk-analytics#v2.8.1",
         "superdesk-core": "github:superdesk/superdesk-client-core#release/2.8",
         "superdesk-planning": "github:superdesk/superdesk-planning#release/2.8",
         "superdesk-ui-framework": "^3.1.29"