Set up Forgejo role and migrate Gitea to Forgejo 11

roles/any.software.forgejo-podman/templates/forgejo-postgres.container.j2

@@ -0,0 +1,18 @@
+# vim: ft=systemd
+[Container]
+Image=docker.io/postgres:{{ forgejo_postgres_version }}-alpine
+Pod=forgejo.pod
+
+Environment=POSTGRES_USER=gitea POSTGRES_PASSWORD=gitea POSTGRES_DB=gitea
+
+HealthCmd=["pg_isready","-U","gitea"]
+HealthInterval=30s
+HealthRetries=3
+HealthStartPeriod=30s
+HealthTimeout=5s
+Notify=Healthy
+
+Volume={{ forgejo_postgres_dir }}:/var/lib/postgresql/data
+
+[Service]
+Restart=always