Read secrets (microsoft#849)

### Motivation and Context
Can't read secrets

### Description
Add resd secrets permission

### Contribution Checklist
- [ ] The code builds clean without any errors or warnings
- [ ] The PR follows the [Contribution
Guidelines](https://github.com/microsoft/chat-copilot/blob/main/CONTRIBUTING.md)
and the [pre-submission formatting
script](https://github.com/microsoft/chat-copilot/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [ ] All unit tests pass, and I have added new tests where possible

.github/workflows/copilot-run-integration-tests.yml

@@ -20,6 +20,7 @@ on:
 
 permissions:
   contents: read
+  secrets: read
 
 jobs:
   tests:
@@ -28,8 +29,8 @@ jobs:
     runs-on: windows-latest
 
     steps:
+      - shell: pwsh
       - uses: actions/checkout@v4
-
       - name: Configure test environment
         working-directory: integration-tests
         env: