Update Persistence Docs (#439)

Co-authored-by: LocalStack Bot <localstack-bot@users.noreply.github.com>
Co-authored-by: Quetzalli <hola@quetzalliwrites.com>

Author: 3 people

src/data/persistence/coverage.json

@@ -550,7 +550,7 @@
     "full_name": "RDS (Relational Database Service)",
     "support": "supported with limitations",
     "test_suite": true,
-    "limitations": "MSSQL does not support persistence."
+    "limitations": "MSSQL does not support data persistence on macOS."
   },
   "rds-data": {
     "service": "rds-data",