cli: hide local variables in exceptions by default

Tracebacks that include test results or test vectors are often too long,
so hide the local variables by default, while keeping the option to
display them when increasing the verbosity.

crypto_condor/cli/main.py

@@ -23,6 +23,7 @@
     rich_markup_mode="rich",
     no_args_is_help=True,
     context_settings={"max_content_width": console.width},
+    pretty_exceptions_show_locals=False,
 )
 app.add_typer(test.app, name="test", rich_help_panel="Test implementations")
 
@@ -412,3 +413,5 @@ def main(
             :func:`~crypto_condor.cli.callbacks.print_version` callback.
     """
     set_logging(verbose)
+    if verbose >= 2:
+        app.pretty_exceptions_show_locals = True