fix: all env vars are strings, coerce to numbers

apps/scandic-web/env/server.ts

@@ -168,13 +168,13 @@ export const env = createEnv({
       // transform to boolean
       .transform((s) => s === "true")
       .default("false"),
-    CACHE_TIME_HOTELS: z
+    CACHE_TIME_HOTELS: z.coerce
       .number()
       .default(TWENTYFOUR_HOURS)
       .transform((val) =>
         process.env.CMS_ENVIRONMENT === "test" ? 5 * 60 : val
       ),
-    CACHE_TIME_CITY_SEARCH: z
+    CACHE_TIME_CITY_SEARCH: z.coerce
       .number()
       .default(10 * 60)
       .transform((val) => (process.env.CMS_ENVIRONMENT === "test" ? 60 : val)),