move matplotlib new contributor meeting by one week (#277)

Co-authored-by: Noa Tamir <“6564007+noatamir@users.noreply.github.com”>

Author: noatamir

calendars/matplotlib.yaml

@@ -26,8 +26,8 @@ events:
 
       Meeting notes: https://hackmd.io/@matplotlib
 
-    begin: 2022-05-10 19:00:00
-    end: 2022-05-10 20:00:00
+    begin: 2022-09-06 19:00:00
+    end: 2022-09-06 20:00:00
     url: https://us06web.zoom.us/j/81285851006?pwd=Tks2QjRkNWh5NGw0TmU1RUwwOVluZz09
     repeat:
       interval: