actually update ci script

.github/workflows/main.yml

@@ -91,7 +91,7 @@ jobs:
           & "$($env:CYG_ROOT)/bin/bash.exe" @('-lc', 'opam update --yes 2>&1')
           & "$($env:CYG_ROOT)/bin/bash.exe" @('-lc', 'cd "$OLDPWD" && opam pin add haxe . --kind=path --no-action --yes 2>&1')
           & "$($env:CYG_ROOT)/bin/bash.exe" @('-lc', 'opam install haxe --deps-only --yes 2>&1')
-          & "$($env:CYG_ROOT)/bin/bash.exe" @('-lc', 'opam pin add luv https://github.com/aantron/luv.git#44db25c2b2669f9d1373377006a4d5850e0820e3 --yes 2>&1')
+          & "$($env:CYG_ROOT)/bin/bash.exe" @('-lc', 'opam pin add luv https://github.com/aantron/luv.git#0.5.7 --yes 2>&1')
           & "$($env:CYG_ROOT)/bin/bash.exe" @('-lc', 'opam list')
           & "$($env:CYG_ROOT)/bin/bash.exe" @('-lc', 'ocamlopt -v')
       
@@ -199,7 +199,7 @@ jobs:
           & "$($env:CYG_ROOT)/bin/bash.exe" @('-lc', 'opam update --yes 2>&1')
           & "$($env:CYG_ROOT)/bin/bash.exe" @('-lc', 'cd "$OLDPWD" && opam pin add haxe . --kind=path --no-action --yes 2>&1')
           & "$($env:CYG_ROOT)/bin/bash.exe" @('-lc', 'opam install haxe --deps-only --yes 2>&1')
-          & "$($env:CYG_ROOT)/bin/bash.exe" @('-lc', 'opam pin add luv https://github.com/aantron/luv.git#44db25c2b2669f9d1373377006a4d5850e0820e3 --yes 2>&1')
+          & "$($env:CYG_ROOT)/bin/bash.exe" @('-lc', 'opam pin add luv https://github.com/aantron/luv.git#0.5.7 --yes 2>&1')
           & "$($env:CYG_ROOT)/bin/bash.exe" @('-lc', 'opam list')
           & "$($env:CYG_ROOT)/bin/bash.exe" @('-lc', 'ocamlopt -v')