[ui] Reduce highlight intensity in global search (#21645)

## Summary & Motivation

Worlds smallest nit here, but the highlighting in global search is now
STRONG with the new font, made it less so. This is the only place this
text component is used.

Before:
<img width="805" alt="Screenshot 2024-05-03 at 3 40 34 PM"
src="https://github.com/dagster-io/dagster/assets/1037212/07c8337a-a29c-4ae9-ac2f-350f3086b0a3">

After:
<img width="711" alt="Screenshot 2024-05-03 at 3 40 26 PM"
src="https://github.com/dagster-io/dagster/assets/1037212/9b5370e3-7a1f-4994-aac7-9e811c8fec24">

Co-authored-by: bengotow <bgotow@elementl.com>

js_modules/dagster-ui/packages/ui-components/src/components/Text.tsx

@@ -85,7 +85,7 @@ export const CaptionSubtitle = styled(Text)`
 export const CaptionBolded = styled(Text)`
   font-family: ${FontFamily.default};
   font-size: 12px;
-  font-weight: 900;
+  font-weight: 700;
 `;
 
 export const Code = styled(Text)`