v6.0.0 — Bump all dependencies, SQLite, and modernise CI #570

Job	Run time
windows-latest (host=x64, target=x64)	15s
macos-latest (host=x64, target=x64)	13s
ubuntu-24.04 (host=x64, target=x64)	15s
macos-latest (host=arm64, target=arm64)	14s
${{ matrix.variant }} (node=${{ matrix.node }}, target=${{ matrix.target }})	0s
	57s

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