Update to go1.24.0

test/fixedbugs/issue48471.go

@@ -51,6 +51,6 @@ func g() {
 	_ = i.(T6)  // ERROR "impossible type assertion: i.\(T6\)\n\tT6 does not implement I \(missing method M\)\n\t\thave m\(int\) string\n\t\twant M\(int\)"
 
 	var t *T4
-	t = i // ERROR "cannot use i \(variable of type I\) as \*T4 value in assignment: need type assertion"
+	t = i // ERROR "cannot use i \(variable of interface type I\) as \*T4 value in assignment: need type assertion"
 	_ = t
 }