doc: Fix Zoomin key variable name

Fix Zoomin key variable name

Signed-off-by: divya pillai <divya.pillai@nordicsemi.no>

Author: divipillai

.github/workflows/doc-publish.yml

@@ -44,11 +44,11 @@ jobs:
           github.event.workflow_run.head_branch == 'main' &&
           github.event.workflow_run.head_repository.full_name == github.repository
         env:
-          NCS_ZOOMIN_KEY: ${{ secrets.NCS_ZOOMIN_KEY }}
+          NCS_ZOOMIN_KEY: ${{ secrets.ZOOMIN_KEY }}
         run: |
           # trust server
           mkdir -p ~/.ssh
-          ssh-keyscan ${{ vars.NCS_ZOOMIN_SERVER }} >> ~/.ssh/known_hosts
+          ssh-keyscan upload-v1.zoominsoftware.io >> ~/.ssh/known_hosts
 
           # prepare key
           touch zoomin_key
@@ -57,7 +57,7 @@ jobs:
 
           # upload files
           for file in docs/addon-serial_modem*.zip; do
-            sftp -v -i zoomin_key ${{ vars.NCS_ZOOMIN_USER }}@${{ vars.NCS_ZOOMIN_SERVER }} <<EOF
+            sftp -v -i zoomin_key nordic@upload-v1.zoominsoftware.io <<EOF
               cd docs-be.nordicsemi.com/sphinx-html/incoming
               put ${file}
               cd ../../../nordic-be-dev.zoominsoftware.io/sphinx-html/incoming