address review comments

Signed-off-by: kranurag7 <81210977+kranurag7@users.noreply.github.com>

images/capi/hack/ensure-packer.sh

@@ -44,8 +44,10 @@ if (command -v packer) >/dev/null 2>&1; then
   # if it's not the hashicorp packer, return "unexpected packer found"
   if !(timeout 10 packer version) >/dev/null 2>&1; then
     echo "unexpected packer found";
+    echo "downloading hashicorp packer version v1.9.5"
+    exit 0
   fi
-  existing_packer_version=$(packer version | head -1 | cut -d 'v' -f 2)
+  existing_packer_version=$(packer version | head -1 | cut -d 'v' -f 2; exit 0)
   echo "existing packer version: $existing_packer_version"
   if [ "$existing_packer_version" != "$_version" ]; then
     echo "unsupported packer version ($existing_packer_version) found"