Set version to 12.0.1 (#8037) #8961

Job	Run time
build-compiler (macos-15-intel, 5.3.0, true, darwin-x64, x86_64-apple-darwin)	16m 52s
build-compiler (macos-15, 5.3.0, true, darwin-arm64, aarch64-apple-darwin)	7m 46s
build-compiler (ubuntu-24.04-arm, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, t...	5m 36s
build-compiler (ubuntu-24.04, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, linux...	5m 20s
build-compiler (windows-2025, 5.3.0, true, win32-x64, x86_64-pc-windows-gnu, .exe)	10m 54s
build-compiler (ubuntu-24.04, ocaml-variants.4.14.2+options,ocaml-option-static, linux-x64, x86_6...	4m 35s
pkg-pr-new	55s
api-docs	1m 35s
test-installation-pnpm (ubuntu-24.04-arm)	17s
test-installation-pnpm (windows-2025)	34s
test-installation-pnpm (macos-15-intel)	32s
test-installation-npm (macos-15-intel)	29s
test-installation-npm (macos-15)	17s
test-installation-npm (ubuntu-24.04-arm)	18s
test-installation-pnpm (macos-15)	17s
test-integration-rewatch (macos-15)	3m 55s
test-installation-pnpm (ubuntu-24.04)	15s
test-installation-npm (windows-2025)	46s
test-installation-npm (ubuntu-24.04)	15s
test-integration-rewatch (macos-15-intel)	2m 49s
test-integration-rewatch (ubuntu-24.04)	1m 16s
test-integration-rewatch (windows-2025)	2m 39s
test-integration-rewatch (ubuntu-24.04-arm)	1m 8s
publish	0s
	1h 9m 20s

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