Add CSUP to Support images CODEOWNERS (#18454)

Author: WalshyDev

.github/CODEOWNERS

@@ -204,6 +204,7 @@
 # Support
 
 /src/content/docs/support/ @shanecloudflare @zeinjaber @TracyCloudflare @ngayerie @cloudflare/pcx-technical-writing @cloudflare/customer-support
+/src/assets/images/support/ @shanecloudflare @zeinjaber @TracyCloudflare @ngayerie @cloudflare/pcx-technical-writing @cloudflare/customer-support
 
 # Turnstile