chore: add CODEOWNERS #748

Job	Run time
lint	17s
build-splicer (windows-latest)	13s
build-splicer (ubuntu-latest)	6s
build (release)	13s
build (weval)	8s
build (debug)	7s
test-example	2m 20s
test (23.10.0, ubuntu-latest, debug)	7m 28s
test (23.10.0, ubuntu-latest, weval)	10m 2s
test (23.10.0, windows-latest, debug)	8m 45s
test (23.10.0, ubuntu-latest, release)	6m 42s
test (23.10.0, windows-latest, weval)	12m 31s
test (23.10.0, windows-latest, release)	8m 3s
test (23.10.0, macos-latest, release)	5m 10s
test (23.10.0, macos-latest, debug)	7m 0s
test (23.10.0, macos-latest, weval)	7m 30s
	1h 16m 35s

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