fix: package management working with ocaml.5.3.0 #29569

Job	Run time
Build microbenchmarks	2m 30s
Coq 8.16.1	7m 16s
Create local opam switch (macos-latest, 5)	7m 34s
Build (macos-latest, 5.1.x)	14m 52s
Create local opam switch (macos-latest, 4.14)	6m 3s
Documentation	56s
Build (ubuntu-latest, 5.1.x)	8m 39s
Format	1m 7s
Create local opam switch (ubuntu-latest, 5)	5m 0s
Build (ocaml-variants.5.4.0+trunk, ubuntu-latest, true)	1m 39s
Create local opam switch (ubuntu-latest, 4.14)	5m 1s
Build monorepo benchmark docker image	3m 45s
Build (4.14.x, ubuntu-latest, true)	1m 38s
Build (4.14.x, macos-latest, true)	2m 48s
Nix (macos-latest)	2m 16s
Wasm_of_ocaml	10m 44s
Build (5.1.x, macos-13, true)	5m 25s
Nix (ubuntu-latest)	54s
Build (ocaml-base-compiler.4.14.2,system-msvc, windows-latest)	15m 12s
Build (ocaml-base-compiler.5.1.1,system-mingw, windows-latest)	8m 45s
Build (4.08.x, ubuntu-latest, true)	1m 35s
Build (4.04.x, ubuntu-latest, true, true)	4m 39s
Build (4.02.x, ubuntu-latest, true)	4m 0s
	2h 2m 18s

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