fix: gedbrowserng-frontend/package.json to reduce vulnerabilities
fix: gedbrowserng-frontend/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/npm:adm-zip:20180415

dickschoeller/gedbrowser,dickschoeller/gedbrowser,dickschoeller/gedbrowser,dickschoeller/gedbrowser,dickschoeller/gedbrowser,dickschoeller/gedbrowser