Bump Handlebars version to v4.7.3 to fix #703#736

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jknack merged 1 commit intojknack:masterfrom Siebes:issue-703-bump-handlebars-version

Apr 24, 2020

+5,214-4,611

Commits on Apr 1, 2020

Bump Handlebars version to v4.7.3 to fix jknack#703
earyans
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