refactor: Optimize dockerfiles for production images #12028

Job	Run time
build_js	2m 39s
build_opam (4.14.x)	5m 56s
build_opam (5.2.x)	4m 41s
build_details	3s
build_no_depopts	6m 32s
lezer_parse	49s
build_win32 (x64)	6m 36s
build_posix (debian_trixie, amd64)	6m 42s
run_tests (@citest)	6m 40s
tree_sitter_parse	48s
build_posix (debian_trixie, arm64)	6m 18s
run_tests (@doctest)	6m 41s
build_posix (debian_bookworm, amd64)	6m 41s
run_tests (@mediatest)	6m 40s
update_doc	0s
build_posix (debian_bookworm, arm64)	6m 20s
build_posix (ubuntu_oracular, amd64)	6m 41s
build_posix (ubuntu_oracular, arm64)	6m 17s
build_posix (ubuntu_noble, amd64)	6m 42s
build_posix (ubuntu_noble, arm64)	6m 17s
build_posix (alpine, amd64)	6m 40s
build_posix (alpine, arm64)	6m 21s
fetch_s3_artifacts	1s
build_docker_alpine	1s
build_docker_minimal	1s
build_docker_alpine_minimal	1s
build_docker	1s
update_release	1s
build_docker_release	1s
build_docker_release-minimal	1s
	1h 53m 12s

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