chore: (deps) Bump dependencies

[mrivera-ms]

Fixes #minor

Summary of changes:

• Bump handlebars from 4.7.6 to 4.7.7
• Bump follow-redirects from 1.14.7 to 1.14.9
• Bump follow-redirects from 1.14.7 to 1.14.9 in /testing/streaming-e2e/react-app
• Bump follow-redirects from 1.13.0 to 1.14.9 in /testing/browser-functional/browser-echo-bot
• Bump vm2 from 3.9.5 to 3.9.8
• Bump node-forge from 0.10.0 to 1.0.0
• Bump postcss from 7.0.35 to 7.0.39 in /testing/browser-functional/browser-echo-bot
• Bump url-parse from 1.4.7 to 1.5.10 in /testing/browser-functional/browser-echo-bot
• Bump pathval from 1.1.0 to 1.1.1
• Bump ua-parser-js from 0.7.22 to 0.7.31 in /testing/browser-functional/browser-echo-bot
• Bump ua-parser-js from 0.7.22 to 0.7.31 in testing/streaming-e2e/react-app
• Bump cached-path-relative from 1.0.2 to 1.1.0

[coveralls]

Pull Request Test Coverage Report for Build 1895347643

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.006%) to 84.546%

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Totals
Change from base Build 1895102232:	-0.006%
Covered Lines:	19668
Relevant Lines:	22036

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💛 - Coveralls