jq.test: fix setpath PR number

It was #2970, not 2967.

tests/jq.test

@@ -2091,7 +2091,7 @@ try ("foobar" | .[1.5]) catch .
 null
 "Cannot index string with number"
 
-# setpath/2 does not leak the input after an invalid get #2967
+# setpath/2 does not leak the input after an invalid get #2970
 try ["ok", setpath([1]; 1)] catch ["ko", .]
 {"hi":"hello"}
 ["ko","Cannot index object with number"]