fix: accept either --recip or --recips param for import commands

src/wuttasync/cli/base.py

@@ -248,7 +248,9 @@ def import_command_template(  # pylint: disable=unused-argument,too-many-argumen
     warnings_recipients: Annotated[
         str,
         typer.Option(
-            "--recip", help="Override the recipient(s) for diff warning email."
+            "--recip",
+            "--recips",
+            help="Override the recipient(s) for diff warning email.",
         ),
     ] = None,
     warnings_max_diffs: Annotated[