[Snyk] Upgrade webpack-dev-server from 3.1.10 to 3.10.3#2

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snyk-bot wants to merge 1 commit intomasterfrom snyk-upgrade-d3a8afb2273980c2016b1e170bfa1719

Commits on Mar 5, 2020

fix: upgrade webpack-dev-server from 3.1.10 to 3.10.3
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