[update-checkout] Update the swift-driver branch for rebranch

Author: shahmishal

utils/update_checkout/update-checkout-config.json

@@ -287,7 +287,7 @@
                 "swift-certificates": "1.0.1",
                 "swift-asn1": "1.0.0",
                 "swift-async-algorithms": "1.0.1",
-                "swift-driver": "main",
+                "swift-driver": "rebranch",
                 "swift-log": "1.5.4",
                 "swift-numerics": "1.0.2",
                 "swift-syntax": "main",