Fix percona server version

Percona version change was missed in some configuration files.

Author: artemgavrilov

configure.ac

@@ -37,7 +37,7 @@ AC_DEFINE_UNQUOTED(PG_MAJORVERSION, "$PG_MAJORVERSION", [PostgreSQL major versio
 AC_DEFINE_UNQUOTED(PG_MAJORVERSION_NUM, $PG_MAJORVERSION, [PostgreSQL major version number])
 AC_DEFINE_UNQUOTED(PG_MINORVERSION_NUM, $PG_MINORVERSION, [PostgreSQL minor version number])
 
-[PG_PERCONAVERSION=3]
+[PG_PERCONAVERSION=1]
 AC_DEFINE_UNQUOTED(PG_PERCONAVERSION, "$PG_PERCONAVERSION", [PostgreSQL Percona version as a string])
 
 PGAC_ARG_REQ(with, extra-version, [STRING], [append STRING to version],

meson.build

@@ -134,7 +134,7 @@ endif
 pg_version_major = pg_version_arr[0].to_int()
 pg_version_minor = pg_version_arr[1].to_int()
 pg_version_num = (pg_version_major * 10000) + pg_version_minor
-pg_percona_ver = '3'
+pg_percona_ver = '1'
 
 pg_url = 'https://www.postgresql.org/'