Revert "Use env variable for docker network id, instead of github action input"

This reverts commit 23e2be876e.

action.yml

@@ -24,8 +24,10 @@ inputs:
   password:
     description: 'Password'
     required: false
+  docker_network:
+    description: 'Docker Network ID'
+    default: ${{ job.container.network }}
+    retuired: false
 runs:
   using: 'docker'
   image: 'Dockerfile'
-  env:
-    JOB_CONTAINER_NETWORK_ID: ${{ job.container.network }}