Bump external/nextflow-modules in the pipeline-submodules group (#330)

Bumps the pipeline-submodules group with 1 update: [external/nextflow-modules](https://github.com/uclahs-cds/pipeline-Nextflow-module).


Updates `external/nextflow-modules` from `537da32` to `1cfa9fa`
- [Commits](uclahs-cds/pipeline-Nextflow-module@537da32...1cfa9fa)

---
updated-dependencies:
- dependency-name: external/nextflow-modules
  dependency-type: direct:production
  dependency-group: pipeline-submodules
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Yash Patel <[email protected]>