Rewatch: simplify getting bsc path (#7634) #7448

Job	Run time
build-compiler (macos-14, 5.3.0, true, darwin-arm64, aarch64-apple-darwin)	4m 44s
build-compiler (ubuntu-24.04-arm, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, t...	6m 7s
build-compiler (ubuntu-24.04, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, linux...	3m 14s
build-compiler (windows-latest, 5.3.0, true, win32-x64, x86_64-pc-windows-gnu)	6m 44s
build-compiler (ubuntu-24.04, ocaml-variants.4.14.2+options,ocaml-option-static, linux-x64, x86_6...	3m 24s
build-compiler (ubuntu-24.04, ocaml-variants.5.2.1+options,ocaml-option-static, linux-x64, x86_64...	3m 16s
build-compiler (macos-13, 5.3.0, true, darwin-x64, x86_64-apple-darwin)	7m 9s
build-compiler (ubuntu-24.04, ocaml-variants.5.0.0+options,ocaml-option-static, linux-x64, x86_64...	3m 37s
api-docs	12s
pkg-pr-new	59s
test-installation-npm (macos-14)	14s
test-installation-npm (ubuntu-24.04-arm)	24s
test-installation-pnpm (macos-13)	20s
test-installation-pnpm (ubuntu-24.04)	14s
test-installation-npm (macos-13)	23s
test-installation-npm (ubuntu-24.04)	15s
test-installation-npm (windows-latest)	1m 2s
test-installation-pnpm (macos-14)	14s
test-installation-pnpm (windows-latest)	31s
test-installation-pnpm (ubuntu-24.04-arm)	24s
test-integration-rewatch (macos-14)	39s
test-integration-rewatch (ubuntu-24.04)	27s
test-integration-rewatch (macos-13)	39s
test-integration-rewatch (ubuntu-24.04-arm)	40s
test-integration-rewatch (windows-latest)	52s
publish	0s
	46m 44s

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