Update docker.io/postgres Docker tag to v18

.gitea/workflows/render-manifests-automerge.yaml

@@ -394,7 +394,6 @@ jobs:
           details: "Automerge Manifest rendering for Infrastructure!"
           icon: "https://cdn.jsdelivr.net/gh/selfhst/icons/png/gitea.png"
           actions: '[{"action": "view", "label": "Open Gitea", "url": "${{ steps.create-pull-request.outputs.pull-request-url }}", "clear": true}]'
-          image: true
 
       - name: ntfy Failed
         uses: niniyas/ntfy-action@master

.gitea/workflows/render-manifests.yaml

@@ -385,10 +385,9 @@ jobs:
           priority: 3
           headers: '{"Authorization": "Bearer ${{ secrets.NTFY_CRED }}"}'
           tags: action,successfully,completed
-          details: "Manifest rendering for Infrastructure has created a new Pull Request!"
+          details: "Manifest rendering for Infrastructure has created a new Pull Request with ID: ${{ steps.create-pull-request.outputs.pull-request-id }}!"
           icon: "https://cdn.jsdelivr.net/gh/selfhst/icons/png/gitea.png"
           actions: '[{"action": "view", "label": "Open Gitea", "url": "${{ steps.create-pull-request.outputs.pull-request-url }}", "clear": true}]'
-          image: true
 
       - name: ntfy Failed
         uses: niniyas/ntfy-action@master

hosts/ps10rp/gitea/compose.yaml

@@ -19,7 +19,7 @@ services:
             - /dev/net/tun:/dev/net/tun
 
     postgresql:
-        image: docker.io/postgres:17.7-alpine3.21
+        image: docker.io/postgres:18.1-alpine3.21
         container_name: gitea-postgres
         env_file:
             - .env