build(deps): bump services/cctp-relayer/external/synapse-contracts

Bumps [services/cctp-relayer/external/synapse-contracts](https://github.com/synapsecns/synapse-contracts) from `1087590` to `193f470`.
- [Commits](synapsecns/synapse-contracts@1087590...193f470)

---
updated-dependencies:
- dependency-name: services/cctp-relayer/external/synapse-contracts
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>