[stubsabot] Mark stdlib-list as obsolete since 0.9.0 (#10348)

Release: https://pypi.org/pypi/stdlib-list/0.9.0
Homepage: https://pypi.org/project/stdlib-list/
Diff: pypi/stdlib-list@v0.8.0...v0.9.0

Author: github-actions[bot]

stubs/stdlib-list/METADATA.toml

@@ -1 +1,2 @@
 version = "0.8.*"
+obsolete_since = "0.9.0" # Released on 2023-06-22