Add support for native xml parsing. #11944

Job	Run time
build_details	4s
build_opam (4.14.x)	9m 19s
build_js	2m 18s
build_opam (5.2.x)	5m 17s
build_no_depopts	5m 43s
tree_sitter_parse	50s
build_win32 (x64)	4m 51s
build_posix (debian_trixie, amd64)	14m 14s
lezer_parse	49s
run_tests (@citest)	12m 54s
build_posix (debian_trixie, arm64)	13m 48s
run_tests (@doctest)	7m 54s
update_doc	0s
build_posix (debian_bookworm, amd64)	13m 36s
run_tests (@mediatest)	12m 6s
build_posix (debian_bookworm, arm64)	13m 11s
build_posix (ubuntu_oracular, amd64)	13m 49s
build_posix (ubuntu_oracular, arm64)	13m 0s
build_posix (ubuntu_noble, amd64)	15m 14s
build_posix (ubuntu_noble, arm64)	13m 9s
build_posix (alpine, amd64)	9m 58s
build_posix (alpine, arm64)	8m 29s
fetch_s3_artifacts	22s
build_docker_alpine (amd64)	53s
build_docker_minimal (amd64)	2m 23s
build_docker (amd64)	2m 21s
build_docker_alpine (arm64)	55s
build_docker (arm64)	2m 9s
build_docker_minimal (arm64)	2m 46s
update_release	0s
build_docker_alpine_minimal (amd64)	45s
build_docker_alpine_minimal (arm64)	48s
build_docker_release	0s
build_docker_release-minimal	0s
	3h 23m 55s

Provide feedback