fix: server/package.json & server/yarn.lock to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-MONGOOSE-1086688
2 jobs for snyk-fix-a1eecf4d04254d4467e545a809f1b23f in 5 minutes and 6 seconds (queued for 1 second)
latest
Status Name Job ID Coverage
  Test
passed test #1126568353

00:05:06

 
  External
passed security/snyk (mindsphere)

00:00:19