tf-a-lts: remove Chris's email id

Chris stepped down from his role as LTS maintainer
thus removing his mail references from job configs.

Replacing Chris email with Jidong's

Change-Id: Ib16ae4c61d5f401007fd14a1017ad04e2d64a5ef
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
diff --git a/tf-a-lts-automation.yaml b/tf-a-lts-automation.yaml
index b228f76..1628ffb 100644
--- a/tf-a-lts-automation.yaml
+++ b/tf-a-lts-automation.yaml
@@ -15,7 +15,7 @@
         - string:
             name: EMAIL_RECIPIENT
             default: |
-              bipin.ravi@arm.com, vwadekar@nvidia.com, yann.gautier@st.com, palmer@google.com, govindraj.raja@arm.com, arthur.she@linaro.org
+              bipin.ravi@arm.com, vwadekar@nvidia.com, yann.gautier@st.com, jidong@google.com, govindraj.raja@arm.com, arthur.she@linaro.org
             description: |
               The notification recipients
     wrappers: