Updated language worker restart error message for improved clarity. Fixes #5388.

Author: kashimiz

src/WebJobs.Script/Workers/Rpc/FunctionRegistration/RpcFunctionInvocationDispatcher.cs

@@ -364,7 +364,7 @@ private async Task RestartWorkerChannel(string runtime, string workerId)
             }
             else if (_jobHostLanguageWorkerChannelManager.GetChannels().Count() == 0)
             {
-                _logger.LogError("Exceeded language worker restart retry count for runtime:{runtime}. Shutting down Functions Host", runtime);
+                _logger.LogError("Exceeded language worker restart retry count for runtime:{runtime}. Shutting down and proactively recycling the Functions Host to recover", runtime);
                 _applicationLifetime.StopApplication();
             }
         }