Merge branch 'fix/click-port-compl_v4.3' into 'release/v4.3'

fix(tools): fix autocomplete for --port option (v4.3)

See merge request espressif/esp-idf!25877

tools/idf_py_actions/serial_ext.py

@@ -162,6 +162,7 @@ def action_extensions(base_actions, project_path):
         'help': 'Serial port.',
         'scope': 'global',
         'envvar': 'ESPPORT',
+        'type': click.Path(),
         'default': None,
     }