Reverted unwanted changes

packages/trpc/server/createNextApiHandler.ts

@@ -59,11 +59,12 @@ export function createNextApiHandler(router: AnyRouter, isPublic = false, namesp
       if (isPublic && paths) {
         const ONE_DAY_IN_SECONDS = 60 * 60 * 24;
         const FIVE_MINUTES_IN_SECONDS = 5 * 60;
+        const ONE_YEAR_IN_SECONDS = 31536000;
+
         const cacheRules = {
           session: "no-cache",
 
-          // i18n data is user specific and thus should not be cached
-          i18n: "no-cache",
+          i18n: `max-age=${ONE_YEAR_IN_SECONDS}`,
 
           // FIXME: Using `max-age=1, stale-while-revalidate=60` fails some booking tests.
           "slots.getSchedule": `no-cache`,