Create reusables for repeated process steps in billing (#58645)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

src/data-directory/lib/data-schemas/ctas.ts

@@ -12,7 +12,7 @@ export default {
       type: 'string',
       name: 'Product',
       description: 'The GitHub product the CTA leads users to',
-      enum: ['copilot', 'ghec', 'desktop', 'code-quality', 'cli'],
+      enum: ['copilot', 'ghec', 'desktop', 'code-quality', 'cli', 'github'],
     },
 
     // Type of CTA: The type of action the CTA encourages users to take