[Codeowners] Added Billing to codeowners (#24529)

* Added Billing to codeowners

* Added additional owners to Billing

* Added PCX

Author: dcpena

.github/CODEOWNERS

@@ -213,8 +213,9 @@
 
 # Support
 
-/src/content/docs/support/ @zeinjaber @TracyCloudflare @ngayerie @cloudflare/pcx-technical-writing @cloudflare/customer-support
-/src/assets/images/support/ @zeinjaber @TracyCloudflare @ngayerie @cloudflare/pcx-technical-writing @cloudflare/customer-support
+/src/content/docs/support/ @zeinjaber @ngayerie @cloudflare/pcx-technical-writing @cloudflare/customer-support
+/src/assets/images/support/ @zeinjaber @ngayerie @cloudflare/pcx-technical-writing @cloudflare/customer-support
+/src/content/docs/billing/ @zeinjaber @ngayerie @simon-says @cloudflare/customer-support @cloudflare/pcx-technical-writing
 
 # Turnstile
 
@@ -230,4 +231,4 @@
 /src/content/docs/web-analytics/ @angelampcosta @cloudflare/pcx-technical-writing
 
 # AI Prompts for Cloudflare Workers development
-/public/workers/prompts/ @jahands @Maximo-Guk @jbwcloudflare @cloudflare/pcx-technical-writing
+/public/workers/prompts/ @jahands @Maximo-Guk @jbwcloudflare @cloudflare/pcx-technical-writing