postgresql: update to version 13.4

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

libs/postgresql/Makefile

@@ -5,7 +5,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=postgresql
-PKG_VERSION:=13.3
+PKG_VERSION:=13.4
 PKG_RELEASE:=$(AUTORELEASE)
 PKG_MAINTAINER:=Daniel Golle <daniel@makrotopia.org>
 PKG_LICENSE:=PostgreSQL
@@ -17,7 +17,7 @@ PKG_SOURCE_URL:=\
 	http://ftp.postgresql.org/pub/source/v$(PKG_VERSION) \
 	ftp://ftp.postgresql.org/pub/source/v$(PKG_VERSION)
 
-PKG_HASH:=3cd9454fa8c7a6255b6743b767700925ead1b9ab0d7a0f9dcb1151010f8eb4a1
+PKG_HASH:=ea93e10390245f1ce461a54eb5f99a48d8cabd3a08ce4d652ec2169a357bc0cd
 
 PKG_USE_MIPS16:=0
 PKG_FIXUP:=autoreconf