PG-1008: Change product name and version number

Updated product name from PostgreSQL to Percona Server for PostgreSQL
and incremented the version number from 17.2 to 17.2.1.

configure

@@ -1452,7 +1452,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures PostgreSQL 17.2 to adapt to many kinds of systems.
+\`configure' configures PostgreSQL 17.2.1 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -19828,7 +19828,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by PostgreSQL $as_me 17.2, which was
+This file was extended by PostgreSQL $as_me 17.2.1, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -19899,7 +19899,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-PostgreSQL config.status 17.2
+PostgreSQL config.status 17.2.1
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"