fix(config): Fix schema and example config for new ICE interface filters options

Signed-off-by: Steffen Vogel <post@steffenvogel.de>

etc/cunicu.advanced.yaml

@@ -312,7 +312,7 @@ ice:
   # candidate_types: [host, srflx, prflx, relay]
 
   # A glob(7) pattern to match interfaces against which are used to gather ICE candidates (e.g. \"eth[0-9]\").
-  interface_include: "*"
+  interfaces_include: "*"
 
   # A glob(7) pattern to match interfaces against which are ignored when gathering ICE candidates (e.g. \"tun[0-9]\").
   interfaces_exclude: ""

etc/cunicu.schema.yaml

@@ -478,7 +478,7 @@ $defs:
         description: |
           A [glob(7)](https://manpages.debian.org/bookworm/manpages/glob.7.en.html) pattern to match interfaces against which are not used to gather ICE candidates (e.g. `eth[0-9]`).
         type: string
-        default: "*"
+        default: ""
         examples:
         - eth*
         - wlan0