activity-report-2024: Add highlight in the intro.

* drafts/activity-report-2024.md <intro>: Add highlight.

drafts/activity-report-2024.md

@@ -7,8 +7,8 @@ pdf-booklet: /static/doc/activity-report-2024-booklet.pdf
 pdf-cover: /static/images/blog/activity-report-2024-cover.webp
 tags: Community, Activity Report, High-performance computing, Research
 ---
-Guix-HPC is a collaborative effort to bring reproducible software
-deployment to scientific workflows and high-performance computing (HPC).
+Guix-HPC is a collaborative effort to bring **reproducible software
+deployment to scientific workflows and high-performance computing** (HPC).
 Guix-HPC builds upon the [GNU Guix](https://guix.gnu.org) software
 deployment tools and aims to make them useful for HPC practitioners and
 scientists concerned with dependency graph control and customization