Align pill with expandable header (#5772)

## What are you changing in this pull request and why?

Vertically align pill with the expandable alt_header, per
#5588 (review)

## Checklist
- [x] Test changes in localhost

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

website/src/components/expandable/styles.module.css

@@ -141,3 +141,8 @@
 .expandableContainer {
     margin-bottom: 5px; /* Adjust this value as needed to create space */
 }
+
+.headerText {
+  display: flex;
+  align-items: center;
+}