add x.py.zsh to tidy check

Signed-off-by: onur-ozkan <work@onurozkan.dev>

src/bootstrap/test.rs

@@ -1135,13 +1135,14 @@ help: to skip test's attempt to check tidiness, pass `--skip src/tools/tidy` to
         builder.ensure(ExpandYamlAnchors);
 
         builder.info("x.py completions check");
-        let [bash, fish, powershell] = ["x.py.sh", "x.py.fish", "x.py.ps1"]
+        let [bash, zsh, fish, powershell] = ["x.py.sh", "x.py.zsh", "x.py.fish", "x.py.ps1"]
             .map(|filename| builder.src.join("src/etc/completions").join(filename));
         if builder.config.cmd.bless() {
             builder.ensure(crate::run::GenerateCompletions);
         } else if crate::flags::get_completion(shells::Bash, &bash).is_some()
             || crate::flags::get_completion(shells::Fish, &fish).is_some()
             || crate::flags::get_completion(shells::PowerShell, &powershell).is_some()
+            || crate::flags::get_completion(shells::Zsh, &zsh).is_some()
         {
             eprintln!(
                 "x.py completions were changed; run `x.py run generate-completions` to update them"