path-suboption: use str for "multi_urls" path suboptions
That second argument refer to an attribute and do not needs to be bytes.
--- a/mercurial/utils/urlutil.py Fri Sep 01 13:08:02 2023 +0200
+++ b/mercurial/utils/urlutil.py Wed Aug 30 00:47:16 2023 +0200
@@ -775,7 +775,7 @@
return DELTA_REUSE_POLICIES.get(value)
-@pathsuboption(b'multi-urls', b'multi_urls', display=display_bool)
+@pathsuboption(b'multi-urls', 'multi_urls', display=display_bool)
def multiurls_pathoption(ui, path, value):
res = stringutil.parsebool(value)
if res is None: