ci: fix add internet (#368)

Author: andrinoff

.github/workflows/release.yml

@@ -70,6 +70,7 @@ jobs:
           sudo snap install snapcraft --classic
           sudo snap install lxd
           sudo lxd init --auto
+          sudo iptables -P FORWARD ACCEPT
           sudo usermod -aG lxd $USER
 
       - name: Build and publish snap