Fix CI not using localmodelnode agent dev image (kserve#4221)

Signed-off-by: Sivanantham Chinnaiyan <sivanantham.chinnaiyan@ideas2it.com>

Author: sivanantha321

config/overlays/test/localmodelnode_agent_image_patch.yaml

@@ -0,0 +1,19 @@
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: kserve-localmodelnode-agent
+  namespace: kserve
+spec:
+  template:
+    spec:
+      containers:
+        - name: manager
+          image: kserve/kserve-localmodelnode-agent:latest
+          imagePullPolicy: IfNotPresent
+          resources:
+            limits:
+              cpu: 100m
+              memory: 300Mi
+            requests:
+              cpu: 100m
+              memory: 200Mi

test/scripts/gh-actions/update-test-overlays.sh

@@ -29,3 +29,6 @@ sed -i -e "s/latest/${GITHUB_SHA}/g" config/overlays/test/manager_image_patch.ya
 
 # Update localmodel controller image tag
 sed -i -e "s/latest/${GITHUB_SHA}/g" config/overlays/test/localmodel_manager_image_patch.yaml
+
+# Update localmodel agent image tag
+sed -i -e "s/latest/${GITHUB_SHA}/g" config/overlays/test/localmodelnode_agent_image_patch.yaml