reusable workflow to distribute multi-platform builds

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

Author: crazy-max

.github/workflows/ci.yml

@@ -1539,3 +1539,12 @@ jobs:
             echo "::error::Should have failed"
             exit 1
           fi
+
+  distribute:
+    uses: ./.github/workflows/reusable-distribute.yml
+    with:
+      push: false
+      meta-image: user/app
+      build-context: "{{defaultContext}}:test"
+      build-file: multi.Dockerfile
+      build-platforms: linux/amd64,linux/arm64