adding missing version for API release

Alban Bailly · Alban Bailly · commit 927e3adb1140 · 2018-11-19T15:06:21.000-05:00
diff --git a/content/changelog/2018/11-19.md b/content/changelog/2018/11-19.md
@@ -4,6 +4,7 @@ date: "2018-11-18T11:02:00-04:00"
 description: "4.0.9 API Changelog"
 changelog:
 - API
+version: 4.0.9
 ---
 ### Added
 
