Dev container: use node 22, don't install via apt #9447

Job	Run time
test-devcontainer	13m 11s
build-compiler (ubuntu-24.04-arm, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, t...	4m 41s
build-compiler (ubuntu-24.04, ocaml-variants.5.0.0+options,ocaml-option-static, linux-x64, x86_64...	3m 35s
build-compiler (macos-15-intel, 5.3.0, true, darwin-x64, x86_64-apple-darwin)	10m 41s
build-compiler (macos-15, 5.3.0, true, darwin-arm64, aarch64-apple-darwin)	6m 14s
build-compiler (windows-2025, 5.3.0, true, win32-x64, x86_64-pc-windows-gnu, .exe)	8m 37s
build-compiler (ubuntu-24.04, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, linux...	4m 2s
api-docs	18s
pkg-pr-new	53s
test-integration-rewatch (windows-2025)	5m 27s
test-integration-rewatch (macos-15)	4m 23s
test-integration-rewatch (ubuntu-24.04-arm)	2m 2s
test-integration-rewatch (ubuntu-24.04)	2m 36s
test-installation-pnpm (macos-15-intel)	28s
test-installation-pnpm (macos-15)	17s
test-installation-pnpm (ubuntu-24.04)	13s
test-integration-rewatch (macos-15-intel)	4m 56s
test-installation-pnpm (windows-2025)	31s
test-installation-npm (windows-2025)	59s
test-installation-npm (macos-15)	16s
test-installation-npm (macos-15-intel)	25s
test-installation-npm (ubuntu-24.04)	15s
test-installation-pnpm (ubuntu-24.04-arm)	17s
test-installation-npm (ubuntu-24.04-arm)	17s
publish	0s
	1h 15m 34s

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