package/postgresql: security bump version to 15.5

Release notes:
https://www.postgresql.org/about/news/postgresql-161-155-1410-1313-1217-and-1122-released-2749/

Fixes CVE-2023-5868, CVE-2023-5869, CVE-2023-5870.

Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 4d549c071dcc7ede701ee91cb39bc4a9a2be7baf)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/postgresql/postgresql.hash

@@ -1,4 +1,4 @@
-# From https://ftp.postgresql.org/pub/source/v15.4/postgresql-15.4.tar.bz2.sha256
-sha256  baec5a4bdc4437336653b6cb5d9ed89be5bd5c0c58b94e0becee0a999e63c8f9  postgresql-15.4.tar.bz2
+# From https://ftp.postgresql.org/pub/source/v15.4/postgresql-15.5.tar.bz2.sha256
+sha256  8f53aa95d78eb8e82536ea46b68187793b42bba3b4f65aa342f540b23c9b10a6  postgresql-15.5.tar.bz2
 # License file, Locally calculated
 sha256  1a7d13c3ab31961b91ba256f77d6e82e0b54bf992253060fe93bdb5466df416a  COPYRIGHT

package/postgresql/postgresql.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-POSTGRESQL_VERSION = 15.4
+POSTGRESQL_VERSION = 15.5
 POSTGRESQL_SOURCE = postgresql-$(POSTGRESQL_VERSION).tar.bz2
 POSTGRESQL_SITE = https://ftp.postgresql.org/pub/source/v$(POSTGRESQL_VERSION)
 POSTGRESQL_LICENSE = PostgreSQL