Update community call dates (#8034)

Author: AlexFenlon

README.md

@@ -33,12 +33,11 @@ We value community input and would love to see you at the next community call. A
 
 | **Community Call Dates** |
 | ------------------------ |
-| **2025-05-06**           |
-| **2025-05-19**           |
-| **2025-06-03**           |
-| **2025-06-16**           |
-| **2025-06-30**           |
-| **2025-07-14**           |
+| **2025-07-28**           |
+| **2025-08-11**           |
+| **2025-08-25**           |
+| **2025-09-08**           |
+| **2025-09-22**           |
 
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