[c.math.rand] Update to refer to C23 7.24.3

Author: frederick-vs-ja

source/numerics.tex

@@ -6966,7 +6966,7 @@
 \end{note}
 \end{itemdescr}
 
-\xrefc{7.22.2}
+\xrefc{7.24.3}
 
 \indextext{random number generation|)}