Switch to new windows build image. #11873

Job	Run time
build_details	3s
build_opam (4.14.x)	8m 16s
build_js	2m 2s
build_opam (5.2.x)	5m 24s
tree_sitter_parse	50s
lezer_parse	49s
build_no_depopts	5m 37s
build_win32 (x64)	4m 29s
run_tests (@citest)	7m 57s
update_doc	0s
build_posix (debian_trixie, amd64)	7m 56s
run_tests (@doctest)	7m 30s
build_posix (debian_trixie, arm64)	7m 33s
build_posix (debian_bookworm, amd64)	7m 56s
run_tests (@mediatest)	7m 55s
build_posix (debian_bookworm, arm64)	7m 35s
build_posix (ubuntu_oracular, amd64)	7m 55s
build_posix (ubuntu_oracular, arm64)	7m 32s
build_posix (ubuntu_noble, amd64)	7m 56s
build_posix (ubuntu_noble, arm64)	7m 31s
build_posix (alpine, amd64)	7m 59s
build_posix (alpine, arm64)	7m 35s
fetch_s3_artifacts	1s
update_release	1s
build_docker	1s
build_docker_alpine	1s
build_docker_alpine_minimal	1s
build_docker_minimal	1s
build_docker_release-minimal	1s
build_docker_release	1s
	2h 8m 28s

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