Attach res.doc to polyvariant #9244

Job	Run time
build-compiler (ubuntu-24.04-arm, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, t...	3m 49s
build-compiler (ubuntu-24.04, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, linux...	2m 57s
build-compiler (windows-2025, 5.3.0, true, win32-x64, x86_64-pc-windows-gnu, .exe)	8m 47s
build-compiler (macos-15, 5.3.0, true, darwin-arm64, aarch64-apple-darwin)	6m 21s
build-compiler (macos-15-intel, 5.3.0, true, darwin-x64, x86_64-apple-darwin)	7m 39s
build-compiler (ubuntu-24.04, ocaml-variants.5.0.0+options,ocaml-option-static, linux-x64, x86_64...	2m 59s
api-docs	1m 31s
pkg-pr-new	54s
test-integration-rewatch (ubuntu-24.04-arm)	1m 10s
test-integration-rewatch (macos-15)	1m 20s
test-installation-npm (macos-15)	25s
test-integration-rewatch (ubuntu-24.04)	1m 19s
test-integration-rewatch (windows-2025)	3m 3s
test-integration-rewatch (macos-15-intel)	2m 35s
test-installation-npm (ubuntu-24.04)	16s
test-installation-pnpm (macos-15-intel)	46s
test-installation-npm (macos-15-intel)	23s
test-installation-pnpm (ubuntu-24.04-arm)	18s
test-installation-pnpm (windows-2025)	36s
test-installation-npm (windows-2025)	51s
test-installation-npm (ubuntu-24.04-arm)	21s
test-installation-pnpm (macos-15)	19s
test-installation-pnpm (ubuntu-24.04)	12s
publish	0s
	48m 51s

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