Allow dash in dune init project name (#11402) #29832

Job	Run time
Coq 8.16.1	7m 16s
Build microbenchmarks	2m 34s
Build (macos-latest, 5.1.x)	16m 17s
Build (ubuntu-latest, 5.1.x)	8m 32s
Build (ocaml-variants.5.4.0+trunk, ubuntu-latest, true)	1m 33s
Create local opam switch (macos-latest, 5)	7m 26s
Documentation	1m 1s
Build (4.14.x, ubuntu-latest, true)	2m 18s
Create local opam switch (macos-latest, 4.14)	6m 20s
Format	1m 1s
Build (4.14.x, macos-latest, true)	3m 57s
Create local opam switch (ubuntu-latest, 5)	5m 11s
Build (5.1.x, macos-13, true)	5m 39s
Create local opam switch (ubuntu-latest, 4.14)	6m 4s
Build (ocaml-base-compiler.4.14.2,system-msvc, windows-latest)	15m 26s
Build monorepo benchmark docker image	4m 16s
Nix (macos-latest)	2m 37s
Build (ocaml-base-compiler.5.1.1,system-mingw, windows-latest)	8m 47s
Nix (ubuntu-latest)	58s
Build (4.08.x, ubuntu-latest, true)	2m 38s
Wasm_of_ocaml	13m 30s
Build (4.04.x, ubuntu-latest, true, true)	5m 50s
Build (4.02.x, ubuntu-latest, true)	7m 17s
	2h 16m 28s

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