fix ref

Author: marcoacierno

.github/workflows/deploy.yml

@@ -308,7 +308,7 @@ jobs:
           builder: ${{ steps.buildx.outputs.name }}
           provenance: false
           push: true
-          tags: ${{ secrets.AWS_ACCOUNT_ID }}.dkr.ecr.eu-central-1.amazonaws.com/pythonit/frontend:${{ steps.git.outputs.githash }}
+          tags: ${{ secrets.AWS_ACCOUNT_ID }}.dkr.ecr.eu-central-1.amazonaws.com/pythonit/pycon-frontend:${{ steps.git.outputs.githash }}
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache
           platforms: linux/arm64