[Snyk] Security upgrade node-pagerduty from 1.0.2 to 1.1.1#4

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snyk-bot wants to merge 1 commit intomasterfrom snyk-fix-8399fd969bbaa6a879b29f2665b69fec

+135-121

Commits on Jul 22, 2020

fix: package.json & package-lock.json to reduce vulnerabilities
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