package/postgresql: bump version to 16.8

Release notes:
https://www.postgresql.org/docs/release/16.8/
https://www.postgresql.org/about/news/postgresql-174-168-1512-1417-and-1320-released-3018/

Updated license hash due to copyright year bump:
https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=759620716adb347c1d8c8b2e6f7d88b947a54c98

Signed-off-by: Scott Fan <fancp2007@gmail.com>
Reviewed-by: Maxim Kochetkov <fido_max@inbox.ru>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/postgresql/postgresql.hash

@@ -1,4 +1,4 @@
-# From https://ftp.postgresql.org/pub/source/v16.7/postgresql-16.7.tar.bz2.sha256
-sha256  62e02f77ebfc4a37f1700c20cc3ccd85ff797b5613766ebf949a7899bb2113fe  postgresql-16.7.tar.bz2
+# From https://ftp.postgresql.org/pub/source/v16.8/postgresql-16.8.tar.bz2.sha256
+sha256  9468083a56ce0ee7d294601b74dad3dd9fc69d87aff61f0a9fb63c813ff7efd8  postgresql-16.8.tar.bz2
 # License file, Locally calculated
-sha256  9bf20ee493926a7e17a74bc7f05089fbc014269667b1540bc35a6b194a40c9de  COPYRIGHT
+sha256  e3822c4797fadcab31a3fc73f75c28ac20c73d72b565da91e9974cf9398ef4d2  COPYRIGHT

package/postgresql/postgresql.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-POSTGRESQL_VERSION = 16.7
+POSTGRESQL_VERSION = 16.8
 POSTGRESQL_SOURCE = postgresql-$(POSTGRESQL_VERSION).tar.bz2
 POSTGRESQL_SITE = https://ftp.postgresql.org/pub/source/v$(POSTGRESQL_VERSION)
 POSTGRESQL_LICENSE = PostgreSQL