Include available version in update health check

(cherry picked from commit 15e3c3efb18242caf28b9bfc77a72a78296018bf)

src/NzbDrone.Core/HealthCheck/Checks/UpdateCheck.cs

@@ -86,9 +86,20 @@ namespace NzbDrone.Core.HealthCheck.Checks
                 }
             }
 
-            if (BuildInfo.BuildDateTime < DateTime.UtcNow.AddDays(-14) && _checkUpdateService.AvailableUpdate() != null)
+            if (BuildInfo.BuildDateTime < DateTime.UtcNow.AddDays(-14))
             {
-                return new HealthCheck(GetType(), HealthCheckResult.Warning, _localizationService.GetLocalizedString("UpdateAvailableHealthCheckMessage"));
+                var latestAvailable = _checkUpdateService.AvailableUpdate();
+
+                if (latestAvailable != null)
+                {
+                    return new HealthCheck(GetType(),
+                        HealthCheckResult.Warning,
+                        _localizationService.GetLocalizedString("UpdateAvailableHealthCheckMessage", new Dictionary<string, object>
+                        {
+                            { "version", $"v{latestAvailable.Version}" }
+                        }),
+                        "#new-update-is-available");
+                }
             }
 
             return new HealthCheck(GetType());

src/NzbDrone.Core/Localization/Core/en.json

@@ -740,7 +740,7 @@
   "UnsavedChanges": "Unsaved Changes",
   "UnselectAll": "Unselect All",
   "UpdateAutomaticallyHelpText": "Automatically download and install updates. You will still be able to install from System: Updates",
-  "UpdateAvailableHealthCheckMessage": "New update is available",
+  "UpdateAvailableHealthCheckMessage": "New update is available: {version}",
   "UpdateMechanismHelpText": "Use {appName}'s built-in updater or a script",
   "UpdateScriptPathHelpText": "Path to a custom script that takes an extracted update package and handle the remainder of the update process",
   "UpdateStartupNotWritableHealthCheckMessage": "Cannot install update because startup folder '{startupFolder}' is not writable by the user '{userName}'.",