ci: Jim/add shift ai setup step (#38)

* deps: update @deriv-com/shiftai-cli to version ^1.0.2

* ci: add ShiftAI CLI setup step to workflow

- Add setup step for @deriv-com/shiftai-cli and shai
- Install globally and run shai install before PR creation

Author: jim-deriv

.github/workflows/publish_deriv_charts_and_update_deriv_app.yml

@@ -98,6 +98,11 @@ jobs:
                   cd derivatives-trader
                   npm run bootstrap:dev
 
+            - name: Setup @deriv-com/shiftai-cli and shai
+              run: |
+                  npm install -g @deriv-com/shiftai-cli
+                  shai install
+
             - name: Create Pull Request to derivatives-trader
               uses: peter-evans/create-pull-request@76c6f5c20e2111bfee3cd30fae52a25e410f5efc
               with: