Update sphinx docs to remove partial use

Author: jb3

docs/conf.py

@@ -194,7 +194,9 @@ def setup(app: Sphinx) -> None:
 
 
 # -- Options for the linkcode extension --------------------------------------
-linkcode_resolve = functools.partial(utils.linkcode_resolve, REPO_LINK)
+def linkcode_resolve(domain: str, info: dict) -> str | None:
+    """Determine the URL corresponding to Python object."""
+    return utils.linkcode_resolve(REPO_LINK, domain, info)
 
 
 # -- Options for releases extension ------------------------------------------