Update ghcr.io/fosrl/pangolin Docker tag to v1.18.4

pangolin/compose-local.yaml

@@ -2,7 +2,7 @@ name: pangolin
 services:
   pangolin:
     container_name: pangolin
-    image: ghcr.io/fosrl/pangolin:1.18.0
+    image: ghcr.io/fosrl/pangolin:1.18.4
     restart: unless-stopped
     deploy:
       resources:

pangolin/compose.yaml

@@ -2,7 +2,7 @@ name: pangolin
 services:
   pangolin:
     container_name: pangolin
-    image: ghcr.io/fosrl/pangolin:1.18.0
+    image: ghcr.io/fosrl/pangolin:1.18.4
     restart: unless-stopped
     volumes:
       - ./config:/app/config
@@ -53,7 +53,7 @@ services:
 
   webfinger:              # For Tailscale
     container_name: webfinger
-    image: nginx:1.31.0-alpine
+    image: nginx:1.30.0-alpine
     volumes:
       - ./webfinger/webfinger.json:/usr/share/nginx/html/.well-known/webfinger:ro
       - ./webfinger/nginx.conf:/etc/nginx/conf.d/default.conf:ro