Merge branch 'feat/latest-arch' into 'main'

feat(gitlab-ci): Provide additional per arch/branch "latest" tag

Closes #5

See merge request !15

gitlab-ci-template.yml

@@ -31,6 +31,7 @@ variables:
       --format docker
       .
     - podman push "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA-$CI_REGISTRY_IMAGE_ARCH"
+    - podman push "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA-$CI_REGISTRY_IMAGE_ARCH" "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG-latest-$CI_REGISTRY_IMAGE_ARCH"
 
 container-build-amd64:
   extends: .container-build