refactor(pkg): misc cleanups #29702

Job	Run time
Documentation	59s
Nix (macos-latest)	1m 53s
Coq 8.16.1	7m 16s
Format	1m 7s
Nix (ubuntu-latest)	54s
Build (macos-latest, 5.1.x)	12m 37s
Build (ubuntu-latest, 5.1.x)	8m 21s
Build (ocaml-variants.5.4.0+trunk, ubuntu-latest, true)	1m 24s
Wasm_of_ocaml	10m 49s
Build microbenchmarks	2m 29s
Build (4.14.x, ubuntu-latest, true)	2m 7s
Build (4.14.x, macos-latest, true)	2m 26s
Build (5.1.x, macos-13, true)	3m 47s
Create local opam switch (macos-latest, 5)	6m 41s
Build monorepo benchmark docker image	3m 41s
Build (ocaml-base-compiler.4.14.2,system-msvc, windows-latest)	14m 9s
Build (ocaml-base-compiler.5.1.1,system-mingw, windows-latest)	8m 18s
Create local opam switch (macos-latest, 4.14)	5m 33s
Build (4.08.x, ubuntu-latest, true)	2m 23s
Build (4.04.x, ubuntu-latest, true, true)	4m 29s
Create local opam switch (ubuntu-latest, 5)	5m 7s
Build (4.02.x, ubuntu-latest, true)	4m 3s
Create local opam switch (ubuntu-latest, 4.14)	4m 57s
	1h 55m 30s

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