v3.1.0

Changelog

• Bump node-fetch from 2.6.0 to 2.6.1 #34 (dependabot[bot])
• Bump handlebars from 4.1.2 to 4.7.6 #33 (dependabot[bot])
• Bump lodash from 4.17.15 to 4.17.19 #32 (dependabot[bot])
• Bump https-proxy-agent from 2.2.2 to 2.2.4 #28 (dependabot[bot])
• Bump acorn from 5.7.3 to 5.7.4 #26 (dependabot[bot])
• Add replacement customizer function #35 (nunofgs)