Add a note about modernized test suite

FrancescAlted · FrancescAlted · commit 33a6ad331be8 · 2024-01-26T13:34:48.000+01:00
diff --git a/RELEASE_NOTES.rst b/RELEASE_NOTES.rst
@@ -12,6 +12,8 @@ Changes from 2.8.8 to 2.9.0
 
 * Fixed more sanitizer issues (see PR #469).  Thanks to @27rabbitlt.
 
+* Modernized the test suite to avoid some warnings.
+
 
 Changes from 2.8.7 to 2.8.8
 ---------------------------
