blog: fix publish date

website/src/_posts/2018-08-0.27.md

@@ -1,6 +1,6 @@
 ---
 title: "Uppy 0.27: Dashboard without tabs, autoProceed: false by default, work on React Native"
-date: 2018-08-15
+date: 2018-08-23
 author: ife
 image: "https://uppy.io/images/blog/0.27/uppy-add-initial.jpg"
 ---