package/postgresql: security bump version to 15.4

Release notes:
https://www.postgresql.org/about/news/postgresql-154-149-1312-1216-1121-and-postgresql-16-beta-3-released-2689/

Fixes CVE-2023-39417 & CVE-2023-39418.

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/postgresql/postgresql.hash

@@ -1,4 +1,4 @@
-# From https://ftp.postgresql.org/pub/source/v15.3/postgresql-15.3.tar.bz2.sha256
-sha256  ffc7d4891f00ffbf5c3f4eab7fbbced8460b8c0ee63c5a5167133b9e6599d932  postgresql-15.3.tar.bz2
+# From https://ftp.postgresql.org/pub/source/v15.4/postgresql-15.4.tar.bz2.sha256
+sha256  baec5a4bdc4437336653b6cb5d9ed89be5bd5c0c58b94e0becee0a999e63c8f9  postgresql-15.4.tar.bz2
 # License file, Locally calculated
 sha256  1a7d13c3ab31961b91ba256f77d6e82e0b54bf992253060fe93bdb5466df416a  COPYRIGHT

package/postgresql/postgresql.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-POSTGRESQL_VERSION = 15.3
+POSTGRESQL_VERSION = 15.4
 POSTGRESQL_SOURCE = postgresql-$(POSTGRESQL_VERSION).tar.bz2
 POSTGRESQL_SITE = https://ftp.postgresql.org/pub/source/v$(POSTGRESQL_VERSION)
 POSTGRESQL_LICENSE = PostgreSQL