Add development release note

ksunden · ksunden · commit a74596448962 · 2023-01-09T20:40:59.000-06:00
diff --git a/doc/api/next_api_changes/development/24919-KS.rst b/doc/api/next_api_changes/development/24919-KS.rst
@@ -0,0 +1,4 @@
+Support for Python 3.8 dropped
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+For Matplotlib 3.8, the minimum supported version of Python is 3.9.
