fix(windows): avoid inadvertly running exes from cwd (#2885)

On Windows when running commands with their name instead of the path with Command::new, executable with that name from the current working directory will be executed.

This PR replaces all instances of Command::new with a new create_command function which will first resolve any executable paths and avoid this issue.

src/main.rs

@@ -1,3 +1,5 @@
+#![warn(clippy::disallowed_method)]
+
 use clap::crate_authors;
 use std::io;
 use std::time::SystemTime;