Add docker test image workflow

.github/workflows/github_release_docker.yml

@@ -1,9 +1,7 @@
 name: Build + Release docker
 
 on:
-  push:
-    tags:
-      - 'v*'
+  workflow_dispatch:
 
 jobs:
   rust_build:
@@ -49,10 +47,9 @@ jobs:
         uses: docker/metadata-action@v5
         with:
           images: ghcr.io/${{ github.repository }}
-          flavor: latest=true
+          flavor: latest=false
 
       - name: Login to image repository
-        if: github.ref_type == 'tag'
         uses: docker/login-action@v3
         with:
           registry: ghcr.io
@@ -64,14 +61,14 @@ jobs:
         with:
           context: .
           file: Dockerfile
-          push: ${{ github.ref_type == 'tag' }}
+          push: true
           # This is required or a package with unknown architecture will be published too.
           # See https://github.com/docker/build-push-action/issues/820 for further
           # details.
           # TODO - investigate further and see if we can find a solution where we
           # don't have to set this.
           provenance: false
-          tags: ${{ steps.meta.outputs.tags }}
+          tags: test
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha