Default to "cmd" on windows. Fix workflow.

.github/workflows/main.yml

@@ -50,6 +50,6 @@ jobs:
     - name: Install Erlang
       run: choco install erlang
     - name: Compile
-      run: bootstrap.ps1
+      run: .\bootstrap.ps1
     - name: CT tests
-      run: rebar3.ps1 ct
+      run: .\rebar3.ps1 ct

src/rebar_prv_escriptize.erl

@@ -143,7 +143,7 @@ escriptize(State0, App) ->
             {ok, #file_info{mode = Mode}} = file:read_file_info(Filename),
             ok = file:change_mode(Filename, Mode bor 8#00111);
         {win32, _} ->
-            write_windows_scripts(Filename, rebar_state:get(State, escript_wrappers_windows, []))
+            write_windows_scripts(Filename, rebar_state:get(State, escript_wrappers_windows, ["cmd"]))
     end,
     {ok, State}.