Merge pull request #2272 from input-output-hk/dlachaume/use-unstable-docker-image-id-in-nightly-workflow

Fix: use `unstable` Docker image ID in `test-client` workflow instead…

Author: dlachaume

.github/workflows/test-client.yml

@@ -46,7 +46,7 @@ on:
         type: string
       docker_image_id:
         type: string
-        default: latest
+        default: unstable
       network:
         type: string
         default: preview