Update fluent english text

Author: XAMPPRocky

locales/en-US/production.ftl

@@ -17,7 +17,7 @@ production-yelp = Yelp has developed a framework in Rust for real-time A/B testi
 production-yelp-alt = yelp logo
 
 production-share = Does your company use Rust? Consider sharing your experience with us!
-production-share-button = Reach out to the production users team
+production-share-button = Reach out to the core team
 production-users = Want to learn more about who uses Rust in production?
 production-users-button = Check out the users page