fix: country code [Testing] (#12807)

* fix: country code

* chore

* chore: only test cloudflare

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Co-authored-by: Alex van Andel <me@alexvanandel.com>

packages/trpc/server/routers/publicViewer/countryCode.handler.ts

@@ -7,7 +7,9 @@ type CountryCodeOptions = {
 export const countryCodeHandler = async ({ ctx }: CountryCodeOptions) => {
   const { req } = ctx;
 
-  const countryCode: string | string[] = req?.headers?.["x-vercel-ip-country"] ?? "";
+  // const countryCode: string | string[] =
+  //   req?.headers?.["​cf-ipcountry"] ?? req?.headers?.["x-vercel-ip-country"] ?? "";
+  const countryCode: string | string[] = req?.headers?.["​cf-ipcountry"] ?? "";
   return { countryCode: Array.isArray(countryCode) ? countryCode[0] : countryCode };
 };