More Makefile fixes (test dependencies, test-rewatch) #8832

Job	Run time
build-compiler (ubuntu-24.04-arm, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, t...	14m 20s
build-compiler (macos-15-intel, 5.3.0, true, darwin-x64, x86_64-apple-darwin)	8m 26s
build-compiler (windows-2022, 5.3.0, true, win32-x64, x86_64-pc-windows-gnu)	4m 58s
build-compiler (ubuntu-24.04, ocaml-variants.4.14.2+options,ocaml-option-static, linux-x64, x86_6...	5m 6s
build-compiler (ubuntu-24.04, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, linux...	19m 41s
build-compiler (macos-15, 5.3.0, true, darwin-arm64, aarch64-apple-darwin)	17m 14s
api-docs	6s
pkg-pr-new	1m 9s
test-installation-pnpm (ubuntu-24.04)	15s
test-installation-pnpm (ubuntu-24.04-arm)	18s
test-installation-pnpm (macos-15-intel)	1m 42s
test-installation-pnpm (macos-15)	34s
test-installation-npm (macos-15-intel)	34s
test-integration-rewatch (ubuntu-24.04)	2m 39s
test-installation-pnpm (windows-2022)	53s
test-installation-npm (macos-15)	22s
test-installation-npm (ubuntu-24.04-arm)	1m 37s
test-integration-rewatch (macos-15)	1m 57s
test-installation-npm (windows-2022)	1m 9s
test-integration-rewatch (ubuntu-24.04-arm)	1m 27s
test-installation-npm (ubuntu-24.04)	1m 35s
test-integration-rewatch (windows-2022)	3m 42s
test-integration-rewatch (macos-15-intel)	3m 17s
publish	0s
	1h 33m 1s

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