Update golang.org/x/exp digest to 9b4947d

Author: renovate[bot]

go.mod

@@ -22,7 +22,7 @@ require (
 	go.uber.org/atomic v1.11.0
 	go.uber.org/zap v1.27.0
 	golang.org/x/crypto v0.26.0
-	golang.org/x/exp v0.0.0-20240416160154-fe59bbe5cc7f
+	golang.org/x/exp 9b4947da3948
 	golang.org/x/net v0.28.0
 	golang.org/x/sync v0.8.0
 	golang.org/x/sys v0.24.0