More explicit warning on selector for ApiRateLimitChecker.NoThrottle

Co-authored-by: Liam Newman <bitwiseman@gmail.com>

Author: 2 people

src/main/resources/org/jenkinsci/plugins/github_branch_source/Messages.properties

@@ -23,7 +23,7 @@ GitHubBuildStatusNotification.CommitStatusSet=GitHub has been notified of this c
 
 ApiRateLimitChecker.ThrottleForNormalize=Normalize API requests
 ApiRateLimitChecker.ThrottleOnOver=Throttle at/near rate limit
-ApiRateLimitChecker.NoThrottle=Ignore rate limit
+ApiRateLimitChecker.NoThrottle=Never check rate limit (NOT RECOMMENDED)
 
 GitHubLink.DisplayName=GitHub