Update readme file

Author: imanish003

docs/internal-developers/testing/releases/README.md

@@ -162,6 +162,7 @@ Every release includes specific testing instructions for new features and bug fi
     -   [10.6.1](./1061.md)
 -   [10.7.0](./1070.md)
 -   [10.8.0](./1080.md)
+    -   [10.8.1](./1081.md)
 
 
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