[Snyk] Upgrade js-file-download from 0.4.5 to 0.4.12#2

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snyk-bot wants to merge 1 commit intomasterfrom snyk-upgrade-170e71612d9bdd47a2d0d0555f091f90

Commits on Sep 30, 2020

fix: upgrade js-file-download from 0.4.5 to 0.4.12
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