ci: fix deploy condition

Author: pietroalbini

.github/workflows/ci.yml

@@ -45,4 +45,4 @@ jobs:
           redeploy_ecs_service: highfive
           aws_access_key_id: "${{ env.AWS_ACCESS_KEY_ID }}"
           aws_secret_access_key: "${{ secrets[format('AWS_SECRET_ACCESS_KEY_{0}', env.ACCESS_KEY_ID)] }}"
-        if: github.ref == 'master'
+        if: github.ref == 'refs/heads/master'