Add procps to container so Nextflow can collect task metrics

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: traviswheeler

Dockerfile

@@ -1,5 +1,7 @@
 FROM python:3.10-slim
 
+RUN apt-get update && apt-get install -y --no-install-recommends procps && rm -rf /var/lib/apt/lists/*
+
 WORKDIR /app
 COPY . .
 RUN pip install --no-cache-dir .