Bump secp256k1 from 4.0.3 to 4.0.4 in /examples/demo-rollup/tests/evm/uniswap #4843

Job	Run time
check-demo-rollup-table-of-contents	10s
check_no_std	1m 5s
check	46s
cargo-doc-artifact	4m 10s
check-licenses	15s
coverage	1m 29s
nextest	2m 49s
test	3m 4s
validate-packages-to-publish-yml	38s
features	0s
bench_check	0s
rollup_bench_check	0s
prover_bench_check	0s
check-demo-rollup-bash-commands-mock-da	0s
check-demo-rollup-bash-commands	0s
deploy-github-pages	0s
check-aggregate	4s
	14m 30s

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