Update ghcr.io/selfhst/icons Docker tag to v4

dockhand/compose.yaml

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

jellystat/compose.yaml

@@ -1,7 +1,7 @@
 services:
   jellystat_db:
     container_name: jellystat_db
-    image: docker.io/library/postgres:18.3@sha256:69e8582b781cb44fa4557b98ed586fe68361e320d9b12f9707494335634f4f3d
+    image: docker.io/library/postgres:18.2@sha256:9b5bd946f3a507db72c55959700e517463e8d5dbb6f7eb30d920d5bcf6951431
     restart: unless-stopped
     shm_size: '1gb'
     environment:

lldap/compose.yaml

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

selfhst-icons/compose.yaml

@@ -1,7 +1,7 @@
 services:
   selfhst-icons:
     container_name: selfhst-icons
-    image: ghcr.io/selfhst/icons:3.2.0@sha256:3a6db28194ac905f9cfa8529b2abf7a3c21b688c5515b47c4a28ae49c16fa0fc
+    image: ghcr.io/selfhst/icons:4.0.2@sha256:ea70ba79e0e5126bb3ac191c595cdb74e5ae3d90dc95caf3cbda99e8d4b6c8ba
     restart: unless-stopped
     environment:
       - ICON_SOURCE=remote