chore: prepare for TS 6 and upgrade @peculiar/x509 to v2 #2209

Job	Run time
Integration Test (VS Code 1.106.0)	37s
Unit Test (Electron latest)	52s
Integration Test (VS Code stable)	40s
Unit Test (Electron 37)	52s
Lint	1m 1s
Package	23s
	4m 25s

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