bug: init fails for Microsoft-hosted agent in Azure DevOps (#109)

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## Overview/Summary

When using a Microsoft-hosted agent the run fails

## This PR fixes/adds/changes/removes

1. #108 

### Breaking Changes

1. None

## Testing Evidence

e2e tests run

## As part of this Pull Request I have

- [x] Checked for duplicate [Pull
Requests](https://github.com/Azure/alz-terraform-accelerator/pulls)
- [x] Associated it with relevant
[issues](https://github.com/Azure/alz-terraform-accelerator/issues), for
tracking and closure.
- [x] Ensured my code/branch is up-to-date with the latest changes in
the `main`
[branch](https://github.com/Azure/alz-terraform-accelerator/tree/main)
- [x] Performed testing and provided evidence.
- [x] Updated relevant and associated documentation.

.github/workflows/end-to-end-test.yml

@@ -7,6 +7,8 @@ on:
       - main
     types: ['opened', 'reopened', 'synchronize', 'labeled']
   workflow_dispatch:
+  schedule:
+    - cron: '0 9 * * 1'
 
 permissions:
   id-token: write
@@ -15,8 +17,8 @@ permissions:
 jobs:
   e2e-test:
     name: "OS: ${{ matrix.os }}, VCS: ${{ matrix.vcs }}, A: ${{ matrix.as }}, TF: ${{ matrix.tf }}, AG: ${{ matrix.ag }}"
-    environment: CSUTF
-    if: "${{ github.repository == 'Azure/alz-terraform-accelerator' && (contains(github.event.pull_request.labels.*.name, 'PR: Safe to test 🧪') || github.event_name == 'workflow_dispatch') }}"
+    environment: ${{ github.event_name == 'schedule' && 'CSUTFAUTO' || 'CSUTF' }}
+    if: "${{ github.repository == 'Azure/alz-terraform-accelerator' && (contains(github.event.pull_request.labels.*.name, 'PR: Safe to test 🧪') || github.event_name == 'workflow_dispatch' || github.event_name == 'schedule') }}"
     strategy:
       fail-fast: false
       matrix:

templates/ci_cd/azuredevops/templates/helpers/terraform-init.yaml

@@ -26,10 +26,10 @@ steps:
 
         $arguments = @()
         $arguments += "init"
-        $arguments += "-backend-config=`"storage_account_name=$($env:BACKEND_AZURE_STORAGE_ACCOUNT_NAME)`""
-        $arguments += "-backend-config=`"container_name=$($env:BACKEND_AZURE_STORAGE_ACCOUNT_CONTAINER_NAME)`""
-        $arguments += "-backend-config=`"key=$($env:BACKEND_AZURE_STORAGE_ACCOUNT_CONTAINER_KEY_NAME)`""
-        $arguments += "-backend-config=`"resource_group_name=$($env:BACKEND_AZURE_RESOURCE_GROUP_NAME)`""
+        $arguments += "-backend-config=storage_account_name=$($env:BACKEND_AZURE_STORAGE_ACCOUNT_NAME)"
+        $arguments += "-backend-config=container_name=$($env:BACKEND_AZURE_STORAGE_ACCOUNT_CONTAINER_NAME)"
+        $arguments += "-backend-config=key=$($env:BACKEND_AZURE_STORAGE_ACCOUNT_CONTAINER_KEY_NAME)"
+        $arguments += "-backend-config=resource_group_name=$($env:BACKEND_AZURE_RESOURCE_GROUP_NAME)"
 
         $env:ARM_SUBSCRIPTION_ID = $subscriptionId
         $env:ARM_TENANT_ID = $tenantId