ci: Only clone bitcoin-core/qa-assets when fuzzing
ci: Only clone bitcoin-core/qa-assets when fuzzing

Former-commit-id: 4f94de0aaa95f2c4c1e9a80df8c5af67fe7e4c0c
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin