chore(deps): update postgres docker tag to v18.3

.gitea/workflows/docker.yml

@@ -10,15 +10,15 @@ jobs:
     steps:
     - uses: actions/checkout@v6
     - name: Login to Docker registry
-      uses: docker/login-action@v4
+      uses: docker/login-action@v3
       with:
         registry: git.nice.nz
         username: hads
         password: ${{ secrets.PAT }}
     - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v4
+      uses: docker/setup-buildx-action@v3
     - name: Build and push
-      uses: docker/build-push-action@v7
+      uses: docker/build-push-action@v6
       with:
         context: .
         file: ./Dockerfile

Dockerfile

@@ -1,4 +1,4 @@
-FROM postgres:18.1-alpine3.22
+FROM postgres:18.3-alpine3.22
 
 # Add metadata labels
 LABEL maintainer="hads@nice.nz" \