Allow dash in dune init project name #29826

Job	Run time
Documentation	58s
Format	1m 4s
Build monorepo benchmark docker image	3m 52s
Coq 8.16.1	7m 11s
Build (macos-latest, 5.1.x)	14m 45s
Build (ubuntu-latest, 5.1.x)	8m 38s
Nix (macos-latest)	2m 21s
Wasm_of_ocaml	11m 33s
Build (ocaml-variants.5.4.0+trunk, ubuntu-latest, true)	1m 28s
Nix (ubuntu-latest)	53s
Build (4.14.x, ubuntu-latest, true)	1m 33s
Build (4.14.x, macos-latest, true)	2m 23s
Build microbenchmarks	2m 31s
Build (5.1.x, macos-13, true)	4m 27s
Create local opam switch (macos-latest, 5)	5m 28s
Build (ocaml-base-compiler.4.14.2,system-msvc, windows-latest)	14m 55s
Create local opam switch (macos-latest, 4.14)	7m 16s
Build (ocaml-base-compiler.5.1.1,system-mingw, windows-latest)	8m 12s
Create local opam switch (ubuntu-latest, 5)	8m 57s
Create local opam switch (ubuntu-latest, 4.14)	5m 2s
Build (4.08.x, ubuntu-latest, true)	1m 35s
Build (4.04.x, ubuntu-latest, true, true)	4m 33s
Build (4.02.x, ubuntu-latest, true)	5m 33s
	2h 5m 8s

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