fix(docker): update hardcoded registry paths to use correct owner

Author: emdevelopa

.github/workflows/docker-publish.yml

@@ -30,5 +30,5 @@ jobs:
           context: ./backend
           push: true
           tags: |
-            ghcr.io/wheval/stellar_payment_api:latest
-            ghcr.io/wheval/stellar_payment_api:${{ github.sha }}
+            ghcr.io/emdevelopa/stellar_payment_api:latest
+            ghcr.io/emdevelopa/stellar_payment_api:${{ github.sha }}

backend/docker-compose.prod.yml

@@ -2,7 +2,7 @@ version: '3.8'
 
 services:
   app:
-    image: ghcr.io/wheval/stellar_payment_api:latest
+    image: ghcr.io/emdevelopa/stellar_payment_api:latest
     container_name: stellar_payment_api
     ports:
       - "4000:4000"