Bump external/pipeline-Nextflow-module in the pipeline-submodules group

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


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

---
updated-dependencies:
- dependency-name: external/pipeline-Nextflow-module
  dependency-type: direct:production
  dependency-group: pipeline-submodules
...

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