migrate env example

Author: flexbox

challenges/release/02.md

@@ -35,7 +35,7 @@ In real situations, you may have multiple enpoints depending on the environment.
 
 🔥 Never commit sensitive information!
 
-If you want to store secret key in your repository like `GOOGLE_MAPS_IOS_API_KEY`, you can [use EAS Secrets](https://docs.expo.dev/build-reference/variables/#using-secrets-in-environment-variables).
+If you want to store secret key in your repository like `SENTRY_API_KEY`, you can [use EAS Secrets](https://docs.expo.dev/build-reference/variables/#using-secrets-in-environment-variables).
 
 To create a new secret, run :