[stubsabot] Mark DateTimeRange as obsolete since 2.1.0 (#9765)

Release: https://pypi.org/pypi/DateTimeRange/2.1.0
Homepage: https://github.com/thombashi/DateTimeRange
Diff: thombashi/DateTimeRange@v2.0.0...v2.1.0

Co-authored-by: stubsabot <>

Author: github-actions[bot]

stubs/DateTimeRange/METADATA.toml

@@ -1,5 +1,6 @@
 version = "2.0.*"
 requires = ["types-python-dateutil"]
+obsolete_since = "2.1.0" # Released on 2023-02-19
 
 [tool.stubtest]
 ignore_missing_stub = false