chore: publish docker image to cashubtc (#788)

.github/workflows/docker-publish-arm.yml

@@ -12,7 +12,7 @@ on:
 
 env:
   REGISTRY: docker.io
-  IMAGE_NAME: thesimplekid/cdk-mintd
+  IMAGE_NAME: cashubtc/mintd
 
 jobs:
   build-and-push:

.github/workflows/docker-publish.yml

@@ -12,7 +12,7 @@ on:
 
 env:
   REGISTRY: docker.io
-  IMAGE_NAME: thesimplekid/cdk-mintd
+  IMAGE_NAME: cashubtc/mintd
 
 jobs:
   build-and-push: