fix(docs): Fix reference in changelog.py (#383)

Author: cofin

tools/sphinx_ext/changelog.py

@@ -12,7 +12,7 @@
 if TYPE_CHECKING:
     from sphinx.application import Sphinx
 
-_GH_BASE_URL = "https://github.com/litestar-org/litestar"
+_GH_BASE_URL = "https://github.com/litestar-org/advanced-alchemy"
 
 
 def _parse_gh_reference(raw: str, type_: Literal["issues", "pull"]) -> list[str]: