add to docker group

Dockerfile

@@ -1,5 +1,13 @@
 FROM gitea/act_runner:latest
+
 USER root
+
 RUN apk add --no-cache openssh-client git docker-cli docker-cli-compose
+
+RUN addgroup -g 996 docker || true
+
 RUN adduser -D -u 1000 -g 1000 sirian
+
+RUN addgroup sirian docker
+
 USER 1000