docs(starter): fix small typo (#19238)

Author: DanielRuf

docs/starters.yml

@@ -1428,7 +1428,7 @@
     - Language:TypeScript
     - Blog
   features:
-    - Typescrip & TSLint
+    - TypeScript & TSLint
     - No Styling (No Typography.js)
     - Minimal settings based on official starter blog
 - url: https://gatsby-serif.netlify.com/