⬆️ Update attrs requirement from <23,>=19 to >=19,<24

Updates the requirements on [attrs](https://github.com/python-attrs/attrs) to permit the latest version.
- [Release notes](https://github.com/python-attrs/attrs/releases)
- [Changelog](https://github.com/python-attrs/attrs/blob/main/CHANGELOG.md)
- [Commits](python-attrs/attrs@19.1.0...23.1.0)

---
updated-dependencies:
- dependency-name: attrs
  dependency-type: direct:production
...

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Author: dependabot[bot]

pyproject.toml

@@ -27,7 +27,7 @@ classifiers = [
 requires-python = "~=3.8"
 dependencies = [
   "pytest>=3.5.0",
-  "attrs<23,>=19",
+  "attrs>=19,<24",
   "importlib-metadata~=6.0;python_version<'3.10'",
   "importlib-resources~=5.0;python_version<'3.9'",
   "nbclient~=0.5.10",