Update dependency handlebars to ^4.7.8

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
handlebars (source)	^4.7.7 -> ^4.7.8

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Release Notes

handlebars-lang/handlebars.js

v4.7.8

Compare Source

• Make library compatible with workers (#​1894) - 3d3796c
• Don't rely on Node.js global object (#​1776) - 2954e7e
• Fix compiling of each block params in strict mode (#​1855) - 30dbf04
• Fix rollup warning when importing Handlebars as ESM - 03d387b
• Fix bundler issue with webpack 5 (#​1862) - c6c6bbb
• Use https instead of git for mustache submodule - 88ac068

Commits

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