netavark: update to 1.8.0

changelog:
 - iptables: improve error when ip6?tables commands are missing
 - docs: Convert markdown with go-md2man instead of mandown
 - iptables: drop invalid packages
 - bump rust edition to 2021
 - Add ACCEPT rules in firewall for bridge network with internal dns
 - Add vrf support for bridges

Signed-off-by: Oskari Rauta <oskari.rauta@gmail.com>
(cherry picked from commit b788f77db48d6d20f925daa762a70fe5c40dc54a)

net/netavark/Makefile

 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=netavark
-PKG_VERSION:=1.6.0
+PKG_VERSION:=1.8.0
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/containers/netavark/tar.gz/v$(PKG_VERSION)?
-PKG_HASH:=3bec9e9b0f3f8f857370900010fb2125ead462d43998ad8f43e4387a5b06f9d6
+PKG_HASH:=b1422ef6927458e9f80f7d322b751e29ab5d04d8ed6cb065baa82fa4291af10f
 
 PKG_MAINTAINER:=Oskari Rauta <oskari.rauta@gmail.com>
 PKG_LICENSE:=Apache-2.0