VOL-3374 change default to use kind version v0.8.1

Change-Id: Ie9f255a46b3b0bf7591bfc4dc1d70bf7ed58dd85
diff --git a/releases/voltha-2.4 b/releases/voltha-2.4
index 32ee212..04529f7 100644
--- a/releases/voltha-2.4
+++ b/releases/voltha-2.4
@@ -12,6 +12,7 @@
 export VOLTCTL_VERSION=1.1.8
 export WITH_ONOS=classic
 export HELM_VERSION=v3.2.4
+export KIND_VERSION=v0.8.1
 
 # defaults.image_tag=null will use the image tags in the Helm charts rather than
 # kind-voltha's default which is 'master'.