Add -upgrade flag to terraform init command in workflow

Author: martinyy108

.github/workflows/terraform.yml

@@ -34,7 +34,7 @@ jobs:
         RESOURCE_GROUP: ${{ secrets.RESOURCE_GROUP }}
         STORAGE_ACCOUNT: ${{ secrets.STORAGE_ACCOUNT }}
         CONTAINER_NAME: ${{ secrets.CONTAINER_NAME }}
-      run: terraform init -backend-config="storage_account_name=$STORAGE_ACCOUNT" -backend-config="container_name=$CONTAINER_NAME" -backend-config="resource_group_name=$RESOURCE_GROUP"
+      run: terraform init -upgrade -backend-config="storage_account_name=$STORAGE_ACCOUNT" -backend-config="container_name=$CONTAINER_NAME" -backend-config="resource_group_name=$RESOURCE_GROUP"
 
     - name: Terraform Plan
       id: plan