refactor(pkg): lazy dependency evaluation #29783

Job	Run time
Build microbenchmarks	2m 31s
Coq 8.16.1	7m 5s
Create local opam switch (macos-latest, 5)	5m 39s
Build (macos-latest, 5.1.x)	13m 41s
Create local opam switch (macos-latest, 4.14)	7m 13s
Build (ubuntu-latest, 5.1.x)	8m 26s
Format	1m 2s
Documentation	52s
Create local opam switch (ubuntu-latest, 5)	5m 58s
Build (ocaml-variants.5.4.0+trunk, ubuntu-latest, true)	1m 26s
Create local opam switch (ubuntu-latest, 4.14)	5m 37s
Build (4.14.x, ubuntu-latest, true)	1m 27s
Build monorepo benchmark docker image	3m 37s
Build (4.14.x, macos-latest, true)	2m 17s
Nix (macos-latest)	1m 53s
Build (5.1.x, macos-13, true)	5m 31s
Wasm_of_ocaml	10m 34s
Build (ocaml-base-compiler.4.14.2,system-msvc, windows-latest)	14m 21s
Build (ocaml-base-compiler.5.1.1,system-mingw, windows-latest)	8m 25s
Nix (ubuntu-latest)	53s
Build (4.08.x, ubuntu-latest, true)	1m 27s
Build (4.04.x, ubuntu-latest, true, true)	5m 26s
Build (4.02.x, ubuntu-latest, true)	3m 57s
	1h 59m 18s

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