Bump systeminformation from 5.18.3 to 5.21.8 in /ui-tests

Bumps [systeminformation](https://github.com/sebhildebrandt/systeminformation) from 5.18.3 to 5.21.8.
- [Changelog](https://github.com/sebhildebrandt/systeminformation/blob/master/CHANGELOG.md)
- [Commits](sebhildebrandt/systeminformation@v5.18.3...v5.21.8)

---
updated-dependencies:
- dependency-name: systeminformation
  dependency-type: indirect
...

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

ui-tests/yarn.lock

@@ -3642,11 +3642,11 @@ __metadata:
   linkType: hard
 
 "systeminformation@npm:^5.8.6":
-  version: 5.18.3
-  resolution: "systeminformation@npm:5.18.3"
+  version: 5.21.8
+  resolution: "systeminformation@npm:5.21.8"
   bin:
     systeminformation: lib/cli.js
-  checksum: a58a4568c76e0479460d91d2eee009adeda2469876a3a99b122072bd6b6c5bd0965c8a6062f189ae667ae514ee5e858ea4b3c5c0af4a669e988b929bae767c05
+  checksum: 302b8b430a5b0a7009be95c086b1bc43db3ecfd6ecab6cf654ae3312240f616823505f15a080a70f2335a9e5aab45d789aaba018843c9a9f8f18117aa32dce8a
   conditions: (os=darwin | os=linux | os=win32 | os=freebsd | os=openbsd | os=netbsd | os=sunos | os=android)
   languageName: node
   linkType: hard