fix: gen-migrations workflow

.gitea/workflows/gen-migrations.yml

@@ -7,7 +7,9 @@ jobs:
           !startsWith(gitea.event.head_commit.message, 'chore')
     container:
       image: 'git.orionkindel.com/dnim/db-ci-runner:disheveled-iceberg-launched-loosely'
-      volumes: ['/run/user/1001/docker.sock:/run/user/1001/docker.sock']
+      volumes:
+        - '/run/user/1001/docker.sock:/run/user/1001/docker.sock'
+        - '/var/run/postgresql:/var/run/postgresql'
     steps:
       - uses: 'actions/checkout@v3'
         with: { fetch-depth: 0, ref: 'main', submodules: 'recursive' }
@@ -39,5 +41,6 @@ jobs:
                 git push
               fi
         env:
-          DOCKER_NETWORK_HOST: 'host.docker.internal'
+          PG_HOST_BASE: '/var/run/postgresql/.s.PGSQL.5432'
+          PG_HOST_HEAD: '/var/run/postgresql/.s.PGSQL.5433'
           DOCKER_HOST: 'unix:///run/user/1001/docker.sock' # HACK: rootless docker on gitea action runner