Bump external/pipeline-Nextflow-config from f3448ac to e703579

Bumps [external/pipeline-Nextflow-config](https://github.com/uclahs-cds/pipeline-Nextflow-config) from `f3448ac` to `e703579`.
- [Release notes](https://github.com/uclahs-cds/pipeline-Nextflow-config/releases)
- [Commits](uclahs-cds/pipeline-Nextflow-config@f3448ac...e703579)

---
updated-dependencies:
- dependency-name: external/pipeline-Nextflow-config
  dependency-type: direct:production
...

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