refactor(pkg): include stacktrace in solver errors #29854

Job	Run time
Build microbenchmarks	2m 32s
Coq 8.16.1	7m 14s
Create local opam switch (macos-latest, 5)	6m 53s
Build (macos-latest, 5.1.x)	14m 4s
Create local opam switch (macos-latest, 4.14)	6m 17s
Build (ubuntu-latest, 5.1.x)	8m 32s
Create local opam switch (ubuntu-latest, 5)	4m 56s
Documentation	58s
Build (ocaml-variants.5.4.0+trunk, ubuntu-latest, true)	1m 27s
Create local opam switch (ubuntu-latest, 4.14)	4m 58s
Format	1m 5s
Build (4.14.x, ubuntu-latest, true)	2m 25s
Build (4.14.x, macos-latest, true)	3m 12s
Build monorepo benchmark docker image	3m 47s
Build (5.1.x, macos-13, true)	4m 45s
Nix (macos-latest)	2m 31s
Wasm_of_ocaml	11m 15s
Build (ocaml-base-compiler.4.14.2,system-msvc, windows-latest)	14m 16s
Nix (ubuntu-latest)	53s
Build (ocaml-base-compiler.5.1.1,system-mingw, windows-latest)	8m 18s
Build (4.08.x, ubuntu-latest, true)	1m 26s
Build (4.04.x, ubuntu-latest, true, true)	5m 36s
Build (4.02.x, ubuntu-latest, true)	3m 50s
	2h 1m 10s

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