[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

python/sphinx_rust/directives/_core.py

@@ -178,7 +178,7 @@ def create_object_xref(
         "reftarget": full_name,
     }
     ref = addnodes.pending_xref(full_name, **options)
-    name = full_name.split("::")[-1]
+    name = full_name.rsplit("::", maxsplit=1)[-1]
     ref += nodes.literal(name, name)
 
     return ref
@@ -207,7 +207,7 @@ def create_source_xref(
         "classes": classes or [],
     }
     ref = addnodes.pending_xref(full_name, **options)
-    text = full_name.split("::")[-1] if text is None else text
+    text = full_name.rsplit("::", maxsplit=1)[-1] if text is None else text
     ref += nodes.literal(text, text)
 
     return ref