updated docs for 9.0.8 release;

Author: adityapinglesf

docs/CHANGELOG.md

@@ -5,6 +5,7 @@
 * [9.1.1](#911)
 * [9.1.0.2](#9102)
 * [9.1.0.1](#9101)
+* [9.0.8](#908)
 * [9.0.7](#907)
 * [9.0.6](#906)
 * [9.0.5.1](#9051)
@@ -112,6 +113,14 @@
 
 ---
 
+## 9.0.8
+
+#### Changes
+* Support for latest major Splunk release
+* Documentation updates 
+
+---
+
 ## 9.0.7
 
 #### Changes