Harden report output publication

internal/app/output.go

@@ -188,10 +188,5 @@ func validateOutputPath(path string) (string, error) {
 	if err := fileutil.ValidateAtomicPath(path); err != nil {
 		return "", fmt.Errorf("validate final output path %q: %w", path, err)
 	}
-	if info, err := os.Stat(path); err == nil && info.IsDir() {
-		return "", fmt.Errorf("final output path %q is a directory", path)
-	} else if err != nil && !os.IsNotExist(err) {
-		return "", fmt.Errorf("inspect final output path %q: %w", path, err)
-	}
 	return path, nil
 }