ci: build container images on releases

also remove attestation to not pollute the repo with the main branch

Signed-off-by: Aubin Lambaré <aubin.lambare@cs-soprasteria.com>

Author: alambare

.github/workflows/build.yml .github/workflows/package.yml.github/workflows/build.yml renamed to .github/workflows/package.yml

@@ -3,6 +3,7 @@ name: Create and publish a Docker image
 on:
   push:
     branches: ['main']
+    tags: ['v*']
   workflow_dispatch:
 
 env:
@@ -24,7 +25,10 @@ jobs:
     # the packages are scoped to the account defined here.
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
 
       - name: Log in to the Container registry
         uses: docker/login-action@v3
@@ -52,11 +56,3 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-
-
-      - name: Generate artifact attestation
-        uses: actions/attest-build-provenance@v2
-        with:
-          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
-          subject-digest: ${{ steps.push.outputs.digest }}
-          push-to-registry: true