Update shebang in postBuild script to use 'env -S' for bash with verbose flag

On many systems, `env` does not work when bash is given a flag.
`-S` ensures that the flag is passed to bash on all systems.

This should fix a bug at least I was getting when trying to
build binder images.

Author: she3o

src/command/use/commands/binder/binder.ts

@@ -206,7 +206,7 @@ const createPostBuild = (
   pythonConfig: PythonConfiguration,
 ) => {
   const postBuildScript: string[] = [];
-  postBuildScript.push("#!/usr/bin/env bash -v");
+  postBuildScript.push("#!/usr/bin/env -S bash -v");
   postBuildScript.push("");
   postBuildScript.push(`# determine which version of Quarto to install`);
   postBuildScript.push(`QUARTO_VERSION=${quartoConfig.version}`);