Update email format 3

Author: NirajC-Microsoft

.github/workflows/validate-bicep-params.yml

@@ -72,7 +72,7 @@ jobs:
           retention-days: 30
 
       - name: Send schedule notification on failure
-        if: (github.event_name == 'schedule' || github.event_name == 'workflow_dispatch') && steps.result.outputs.status == 'failure'
+        if: github.event_name == 'schedule' && steps.result.outputs.status == 'failure'
         env:
           LOGICAPP_URL: ${{ secrets.EMAILNOTIFICATION_LOGICAPP_URL_TA }}
           ACCELERATOR_NAME: ${{ env.accelerator_name }}
@@ -88,7 +88,7 @@ jobs:
               -d @- || echo "Failed to send notification"
 
       - name: Send schedule notification on success
-        if: (github.event_name == 'schedule' || github.event_name == 'workflow_dispatch') && steps.result.outputs.status == 'success'
+        if: github.event_name == 'schedule' && steps.result.outputs.status == 'success'
         env:
           LOGICAPP_URL: ${{ secrets.EMAILNOTIFICATION_LOGICAPP_URL_TA }}
           ACCELERATOR_NAME: ${{ env.accelerator_name }}