Reenable ipv6 netzwork and change runner configuration.

gitea/docker-compose.yaml

@@ -4,6 +4,7 @@ networks:
   gitea:
     name: gitea
     external: false
+    enable_ipv6: true
 
 volumes:
   gitea:
@@ -75,11 +76,14 @@ services:
   runner:
     image: gitea/act_runner
     restart: always
+    privileged: true
     depends_on:
       - gitea
     volumes:
       - gitea-runner:/data
       - /var/run/docker.sock:/var/run/docker.sock
+    networks:
+      - gitea
     environment:
       - GITEA_INSTANCE_URL=https://gitea.fam-steinle.de
       - GITEA_RUNNER_REGISTRATION_TOKEN=FQDt05qG37BLO0OBl6eX94aNNVE9Ni5nFdeVFoKm