Only assert cache size on >= 2024.05.0

Author: schloerke

integration/tests/posit/connect/test_system.py

@@ -74,4 +74,6 @@ def test_runtime_caches(self):
         # Check if the cache is deployed
         caches = self.client.system.caches.runtime.find()
 
-        assert len(caches) > 0
+        # Caches only added in Connect versions >= 2024.05.0
+        if CONNECT_VERSION >= version.parse("2024.05.0"):
+            assert len(caches) > 0