Update docker.io/library/postgres Docker tag to v18.3

dockhand/compose.yaml

@@ -1,7 +1,7 @@
 services:
   dockhand_db:
     container_name: dockhand_db
-    image: docker.io/library/postgres:18.2@sha256:9b5bd946f3a507db72c55959700e517463e8d5dbb6f7eb30d920d5bcf6951431
+    image: docker.io/library/postgres:18.3@sha256:69e8582b781cb44fa4557b98ed586fe68361e320d9b12f9707494335634f4f3d
     restart: unless-stopped
     environment:
       - POSTGRES_USER=${POSTGRES_USER}

lldap/compose.yaml

@@ -1,7 +1,7 @@
 services:
   lldap_db:
     container_name: lldap_db
-    image: docker.io/library/postgres:18.2@sha256:9b5bd946f3a507db72c55959700e517463e8d5dbb6f7eb30d920d5bcf6951431
+    image: docker.io/library/postgres:18.3@sha256:69e8582b781cb44fa4557b98ed586fe68361e320d9b12f9707494335634f4f3d
     restart: unless-stopped
     environment:
       - POSTGRES_USER=${POSTGRES_USER}

pocket-id/compose.yaml

@@ -1,7 +1,7 @@
 services:
   pocket-id-db:
     container_name: pocket-id-db
-    image: docker.io/library/postgres:18.2@sha256:9b5bd946f3a507db72c55959700e517463e8d5dbb6f7eb30d920d5bcf6951431
+    image: docker.io/library/postgres:18.3@sha256:69e8582b781cb44fa4557b98ed586fe68361e320d9b12f9707494335634f4f3d
     restart: unless-stopped
     environment:
       - POSTGRES_USER=${POSTGRES_USER}

portainer-agent/compose.yaml

@@ -1,7 +1,7 @@
 services:
   portainer-agent:
     container_name: portainer-agent
-    image: docker.io/portainer/agent:alpine@sha256:2e7ee66037d2af55dae1dbbde0c0ea32c50156ff46a96b833acc4fe2e44f6009
+    image: docker.io/portainer/agent:alpine@sha256:6cabee7b641c927474bc06a77b49cbdc2754acf05e8f5cc8248e4ca84fccb7b8
     restart: unless-stopped
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock