Bump tests/perf/s2n-quic from 112439c to dce0a3c

Bumps [tests/perf/s2n-quic](https://github.com/aws/s2n-quic) from `112439c` to `dce0a3c`.
- [Release notes](https://github.com/aws/s2n-quic/releases)
- [Commits](aws/s2n-quic@112439c...dce0a3c)

---
updated-dependencies:
- dependency-name: tests/perf/s2n-quic
  dependency-version: dce0a3caa9a336474a258bb5af9572ffb4ff8078
  dependency-type: direct:production
...

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

Author: dependabot[bot]