patches/packages/samba4: Backport update to 4.18.8

For details see the patch.

patches/packages/to-upstream/0003-samba4-Update-to-version-4.18.8.patch

+From c9c5f62e30a7d6cdc07f20accd8dfc95910e213e Mon Sep 17 00:00:00 2001
+From: Michal Hrusecky <michal.hrusecky@turris.com>
+Date: Mon, 16 Oct 2023 07:15:46 +0200
+Subject: [PATCH] samba4: Update to version 4.18.8
+
+Mainly security release, fixing CVE-2023-3961, CVE-2023-4091,
+CVE-2023-4154, CVE-2023-42669 and CVE-2023-42670. For more details see:
+https://www.samba.org/samba/history/samba-4.18.8.html
+
+Signed-off-by: Michal Hrusecky <michal.hrusecky@turris.com>
+---
+ net/samba4/Makefile | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/net/samba4/Makefile b/net/samba4/Makefile
+index b607b05ac..4afa87463 100644
+--- a/net/samba4/Makefile
++++ b/net/samba4/Makefile
+@@ -2,7 +2,7 @@
+ include $(TOPDIR)/rules.mk
+ 
+ PKG_NAME:=samba
+-PKG_VERSION:=4.18.6
++PKG_VERSION:=4.18.8
+ PKG_RELEASE:=1
+ 
+ PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+@@ -13,7 +13,7 @@ PKG_SOURCE_URL:= \
+ 		http://www.nic.funet.fi/index/samba/pub/samba/stable/ \
+ 		http://samba.mirror.bit.nl/samba/ftp/stable/ \
+ 		https://download.samba.org/pub/samba/stable/
+-PKG_HASH:=284c8a994ce989c87cd6808c390fcb9d00c36b21a0dc1a8a75474b67c9e715e7
++PKG_HASH:=4fb87bceaeb01d832a59046c197a044b7e8e8000581548b5d577a6cda03344d1
+ 
+ PKG_BUILD_FLAGS:=gc-sections
+ 
+-- 
+2.42.0
+