docs: Update docs after release 3.9.2

[coveralls]

Pull Request Test Coverage Report for Build 5794698568

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.05%) to 86.401%

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Files with Coverage Reduction	New Missed Lines	%
src/commands/files/zip.js	1	79.25%
<!--	Total:	1		-->

Totals
Change from base Build 5794161634:	-0.05%
Covered Lines:	4135
Relevant Lines:	4633

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💛 - Coveralls