build(deps-dev): bump start-server-and-test in /token-swap/js (solana-labs#1878)

Bumps [start-server-and-test](https://github.com/bahmutov/start-server-and-test) from 1.12.4 to 1.12.5.
- [Release notes](https://github.com/bahmutov/start-server-and-test/releases)
- [Commits](bahmutov/start-server-and-test@v1.12.4...v1.12.5)

---
updated-dependencies:
- dependency-name: start-server-and-test
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]