chore: fix formatting

Author: richiemccoll

apps/site/pages/en/blog/migrations/chalk-to-styletext.mdx

@@ -26,7 +26,7 @@ This codemod aims to help you reduce external dependencies by transforming chalk
 - Custom RGB colors (chalk.rgb(), chalk.hex())
 - 256-color palette (chalk.ansi256())
 - Template literal syntax (chalk...``)
-  -Advanced modifiers with limited terminal support (overline, blink, etc.)
+- Advanced modifiers with limited terminal support (overline, blink, etc.)
 
 The source code for this codemod can be found in the [chalk-to-util-styletext directory](https://github.com/nodejs/userland-migrations/tree/main/recipes/chalk-to-util-styletext).