Update subscription ID references to use secrets in deployment workflows

Author: Vamshi-Microsoft

.github/workflows/job-deploy-linux.yml

@@ -91,10 +91,10 @@ jobs:
           echo "Environment created: ${{ inputs.ENV_NAME }}"
 
           echo "Setting default subscription..."
-          azd config set defaults.subscription ${{ vars.AZURE_SUBSCRIPTION_ID }}
+          azd config set defaults.subscription ${{ secrets.AZURE_SUBSCRIPTION_ID }}
         
           # Set additional parameters
-          azd env set AZURE_SUBSCRIPTION_ID="${{ vars.AZURE_SUBSCRIPTION_ID }}"
+          azd env set AZURE_SUBSCRIPTION_ID="${{ secrets.AZURE_SUBSCRIPTION_ID }}"
           azd env set AZURE_ENV_AI_SERVICE_LOCATION="${{ inputs.AZURE_ENV_OPENAI_LOCATION }}"
           azd env set AZURE_LOCATION="${{ inputs.AZURE_LOCATION }}"
           azd env set AZURE_RESOURCE_GROUP="${{ inputs.RESOURCE_GROUP_NAME }}"

.github/workflows/job-deploy-windows.yml

@@ -86,10 +86,10 @@ jobs:
           Write-Host "Environment created: ${{ inputs.ENV_NAME }}"
 
           Write-Host "Setting default subscription..."
-          azd config set defaults.subscription ${{ vars.AZURE_SUBSCRIPTION_ID }}
+          azd config set defaults.subscription ${{ secrets.AZURE_SUBSCRIPTION_ID }}
         
           # Set additional parameters
-          azd env set AZURE_SUBSCRIPTION_ID="${{ vars.AZURE_SUBSCRIPTION_ID }}"
+          azd env set AZURE_SUBSCRIPTION_ID="${{ secrets.AZURE_SUBSCRIPTION_ID }}"
           azd env set AZURE_ENV_AI_SERVICE_LOCATION="${{ inputs.AZURE_ENV_OPENAI_LOCATION }}"
           azd env set AZURE_LOCATION="${{ inputs.AZURE_LOCATION }}"
           azd env set AZURE_RESOURCE_GROUP="${{ inputs.RESOURCE_GROUP_NAME }}"