[Snyk] Security upgrade apollo-server from 2.4.0 to 2.5.0#41

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snyk-bot wants to merge 1 commit intomasterfrom snyk-fix-53a476d0497f92300875b8965e71dd54

+493-383

Commits on Jun 8, 2020

fix: app-hub-api/package.json & app-hub-api/package-lock.json to reduce vulnerabilities
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