Support JPEG XL Image Converter #4231

Job	Run time
Benchmarks	11m 1s
Lint	57s
Flow	54s
Build REPL	9m 34s
Integration tests (ubuntu-latest, Node 18)	11m 8s
Integration tests (macos-latest, Node 18)	9m 57s
Integration tests (windows-latest, Node 18)	17m 55s
TypeScript types	1m 34s
Integration tests (ubuntu-latest, Node 20)	10m 37s
Unit tests (ubuntu-latest, Node 18)	6m 1s
Integration tests (macos-latest, Node 20)	10m 22s
Unit tests (macos-latest, Node 18)	5m 46s
Integration tests (windows-latest, Node 20)	24m 14s
Unit tests (windows-latest, Node 18)	18m 38s
Unit tests (ubuntu-latest, Node 20)	6m 2s
Unit tests (macos-latest, Node 20)	5m 52s
Unit tests (windows-latest, Node 20)	15m 10s
	2h 45m 42s

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