Update dependency browser-sync to v2.27.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
browser-sync (source)	2.27.7 -> 2.27.8

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Release Notes

BrowserSync/browser-sync

v2.27.8

Compare Source

This release upgrades Socket.io (client+server) to the latest versions - solving the following issues, and silencing security warning :)

PR:

• BrowserSync/browser-sync@58ab4ab

Resolved Issues:

• Security issue for socket.io dependency BrowserSync/browser-sync#1850
• Update package to remove the high severity vulnerability introduced in your package BrowserSync/browser-sync#1892
• Invalid "heartbeat interval" option when using engine.io@^4.0.0 BrowserSync/browser-sync#1925
• Resource exhaustion in engine.io dependency from npm audit BrowserSync/browser-sync#1926
• 4 high severity vulnerabilities when installing browser-sync BrowserSync/browser-sync#1933

Thanks to @​lachieh for the original PR, which helped me land this fix

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