fix(deps): update dependency express-handlebars to v4

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
express-handlebars	dependencies	major	^3.1.0 -> ^4.0.0

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Release Notes

express-handlebars/express-handlebars

v4.0.0

Compare Source

• Move to repo https://github.com/express-handlebars/express-handlebars/
• Update all deps.

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[codecov]

Codecov Report

Merging #61 into master will not change coverage by %.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #61   +/-   ##
=======================================
  Coverage   29.09%   29.09%           
=======================================
  Files          17       17           
  Lines        2193     2193           
  Branches       83       96   +13     
=======================================
  Hits          638      638           
  Misses       1555     1555           

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