fix segfault in pg15

due to 9dc718bdf2b1a574481a45624d42b674332e2903
"Pass down "logically unchanged index" hint."
there were access to uninitialized estate->es_range_table.

But since we really doesn't do update but always insert,
passing "update" hint as "true" were mistake (I think).

Author: funny-falcon

Diff for: vops.c

@@ -1172,7 +1172,7 @@ UserTableUpdateOpenIndexes()
 #endif
 											   estate,
 #if PG_VERSION_NUM>=140000
-											   true,
+											   false,
 #endif
 											   false, NULL, NIL);
 		if (recheckIndexes != NIL)