downgrade matplotlib to make ci happy

MarkusSintonen · MarkusSintonen · commit bd9c63759153 · 2024-06-10T16:44:15.000+03:00
diff --git a/requirements.txt b/requirements.txt
@@ -24,5 +24,5 @@ werkzeug<2.1  # See: https://github.com/psf/httpbin/issues/35
 
 # Benchmarking and profiling
 aiohttp==3.9.5
-matplotlib==3.9.0
+matplotlib==3.7.5
 pyinstrument==4.6.2
