fix: server/package.json to reduce vulnerabilities
fix: server/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/npm:bson:20180225
- https://snyk.io/vuln/npm:debug:20170905
- https://snyk.io/vuln/npm:forwarded:20170908
- https://snyk.io/vuln/npm:fresh:20170908
- https://snyk.io/vuln/npm:lodash:20180130
- https://snyk.io/vuln/npm:mime:20170907

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