.goreleaser: add a new snap plug to bind to devices

Closes #2228.

.goreleaser.yml

@@ -90,7 +90,13 @@ snapcrafts:
     apps:
       adguard-home:
         command: AdGuardHome -w $SNAP_DATA --no-check-update
-        plugs: [ network-bind ]
+        plugs:
+          # Add the "netrwork-bind" plug to bind to interfaces.
+          - network-bind
+          # Add the "netrwork-manager" plug to be able to bind to ports below
+          # 1024 (cap_net_bind_service) and also to bind to a particular
+          # interface using SO_BINDTODEVICE (cap_net_raw).
+          - network-manager
         daemon: simple
       adguard-home-web:
         command: adguard-home-web.sh