fix: align box-drawing code blocks

Author: dcavalcante

.changeset/eight-doors-care.md

@@ -0,0 +1,5 @@
+---
+'@node-core/ui-components': major
+---
+
+Fix monospace box-drawing alignment on platforms without compatible system fonts

packages/ui-components/src/styles/markdown.css

@@ -111,8 +111,8 @@ main {
    */
   pre {
     --font-ibm-plex-mono:
-      'SFMono-Regular', 'Menlo', 'Consolas', 'Liberation Mono', 'Courier New',
-      monospace;
+      'SFMono-Regular', 'Menlo', 'Consolas', 'Liberation Mono', 'IBM Plex Mono',
+      'Courier New', monospace;
   }
 
   p {