fix: correct ACCOUNT_CACHE_SIZE environment variable typo

Critical typo fix: ACCOUNT_CAHCE_SIZE -> ACCOUNT_CACHE_SIZE

This typo prevented the account cache from being configured properly,
causing the cache to not initialize with the correct size limit.

Impact:
- Account caching was broken
- Performance degradation for wallet operations
- Potential memory issues with unlimited cache growth

Author: anuragchvn-blip

src/shared/utils/env.ts

@@ -167,7 +167,7 @@ export const env = createEnv({
     ENABLE_CUSTOM_HMAC_AUTH: process.env.ENABLE_CUSTOM_HMAC_AUTH,
     CUSTOM_HMAC_AUTH_CLIENT_ID: process.env.CUSTOM_HMAC_AUTH_CLIENT_ID,
     CUSTOM_HMAC_AUTH_CLIENT_SECRET: process.env.CUSTOM_HMAC_AUTH_CLIENT_SECRET,
-    ACCOUNT_CACHE_SIZE: process.env.ACCOUNT_CAHCE_SIZE,
+    ACCOUNT_CACHE_SIZE: process.env.ACCOUNT_CACHE_SIZE,
     EXPERIMENTAL__MINE_WORKER_BASE_POLL_INTERVAL_SECONDS:
       process.env.EXPERIMENTAL__MINE_WORKER_BASE_POLL_INTERVAL_SECONDS,
     EXPERIMENTAL__MINE_WORKER_MAX_POLL_INTERVAL_SECONDS: