chore(images): pin service image updates

Replace floating service images with reviewable tags or digests.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

netronome/compose.yaml

@@ -1,6 +1,6 @@
 services:
   netronome:
-    image: ghcr.io/autobrr/netronome:latest
+    image: ghcr.io/autobrr/netronome:v0.14.0
     restart: unless-stopped
     container_name: netronome
     ports:
@@ -33,7 +33,7 @@ services:
         condition: service_healthy
   postgres:
     container_name: netronome-postgres
-    image: postgres:17-alpine
+    image: postgres:17.11-alpine
     environment:
       - POSTGRES_USER=netronome
       - POSTGRES_PASSWORD=netronome