chore(deps): update docker/setup-buildx-action action to v4

.gitea/workflows/release.yml

@@ -68,7 +68,7 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@v6
+        uses: docker/metadata-action@v5
         with:
           tags: type=semver,pattern=v{{version}},value=${{ inputs.version }} 
           images: |
@@ -84,7 +84,7 @@ jobs:
           printf "Tags:\n${{ steps.meta.outputs.tags }}"
 
       - name: Build images
-        uses: docker/build-push-action@v7
+        uses: docker/build-push-action@v6
         with:
           context: .
           push: false

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.23.4
+FROM alpine:3.23.3
 LABEL maintainer="Luke Tainton <luke@tainton.uk>"
 LABEL org.opencontainers.image.source="https://git.tainton.uk/repos/documize-docker"
 ARG DOCUMIZE_VERSION=v5.14.0