Fixed a missed version number update

One location was missed in the previous commit. This commit corrects
that oversight.

(internal: 7955811)

Author: horiguti

reporter/pg_statsinfo.c

@@ -6,7 +6,7 @@
 
 #include "pg_statsinfo.h"
 
-const char *PROGRAM_VERSION	= "16.0";
+const char *PROGRAM_VERSION	= "16.1";
 const char *PROGRAM_URL		= "https://github.com/ossc-db/pg_statsinfo/";
 const char *PROGRAM_EMAIL   = NULL;