fix: release sort order

The OrderReleaseList returns the latest release last, which is not what
the comment on the function says. Because of this, exec sometimes fails
if there are two releases available (can happen when switching to a new
release).

api/util/release.go

@@ -21,6 +21,6 @@ func OrderReleaseList(releaseList *apps.ReleaseList) {
 			return applicationNameI < applicationNameJ
 		}
 
-		return releaseList.Items[i].CreationTimestampNano < releaseList.Items[j].CreationTimestampNano
+		return releaseList.Items[i].CreationTimestampNano > releaseList.Items[j].CreationTimestampNano
 	})
 }