refactor(pkg): remove pointless dep_info intermediate type (#11353) #29690

Job	Run time
Coq 8.16.1	7m 3s
Create local opam switch (macos-latest, 5)	5m 9s
Build (macos-latest, 5.1.x)	14m 55s
Create local opam switch (macos-latest, 4.14)	6m 5s
Build (ubuntu-latest, 5.1.x)	9m 2s
Build microbenchmarks	2m 25s
Create local opam switch (ubuntu-latest, 5)	5m 5s
Documentation	54s
Build (ocaml-variants.5.4.0+trunk, ubuntu-latest, true)	1m 29s
Create local opam switch (ubuntu-latest, 4.14)	5m 14s
Build (4.14.x, ubuntu-latest, true)	1m 29s
Build (4.14.x, macos-latest, true)	2m 21s
Build monorepo benchmark docker image	3m 45s
Build (5.1.x, macos-13, true)	3m 54s
Format	1m 4s
Build (ocaml-base-compiler.4.14.2,system-msvc, windows-latest)	15m 8s
Nix (macos-latest)	1m 52s
Build (ocaml-base-compiler.5.1.1,system-mingw, windows-latest)	8m 21s
Nix (ubuntu-latest)	51s
Wasm_of_ocaml	11m 16s
Build (4.08.x, ubuntu-latest, true)	1m 36s
Build (4.04.x, ubuntu-latest, true, true)	4m 27s
Build (4.02.x, ubuntu-latest, true)	4m 4s
	1h 57m 29s

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