Invoke command not creating pages within wiki

**Command Name**
`az devops invoke
Extension Name: azure-devops. Version: 0.25.0.`

**Errors:**
```
The command failed with an unexpected error. Here is the traceback:
Expecting value: line 1 column 1 (char 0)
Traceback (most recent call last):
File "D:\a\1\s\build_scripts\windows\artifacts\cli\Lib\site-packages\knack/cli.py", line 231, in invoke
File "D:\a\1\s\build_scripts\windows\artifacts\cli\Lib\site-packages\azure/cli/core/commands/__init__.py", line 663, in execute
File "D:\a\1\s\build_scripts\windows\artifacts\cli\Lib\site-packages\azure/cli/core/commands/__init__.py", line 726, in _run_jobs_serially
File "D:\a\1\s\build_scripts\windows\artifacts\cli\Lib\site-packages\azure/cli/core/commands/__init__.py", line 718, in _run_job
File "C:\Users\sichowdhury\.azure\cliextensions\azure-devops\azext_devops\dev\common\exception_handler.py", line 31, in azure_devops_exception_handler
reraise(*sys.exc_info())
File "D:\a\1\s\build_scripts\windows\artifacts\cli\Lib\site-packages\six.py", line 703, in reraise
File "D:\a\1\s\build_scripts\windows\artifacts\cli\Lib\site-packages\azure/cli/core/commands/__init__.py", line 697, in _run_job
File "D:\a\1\s\build_scripts\windows\artifacts\cli\Lib\site-packages\azure/cli/core/commands/__init__.py", line 333, in __call__
File "D:\a\1\s\build_scripts\windows\artifacts\cli\Lib\site-packages\azure/cli/core/commands/command_operation.py", line 121, in handler
File "C:\Users\sichowdhury\.azure\cliextensions\azure-devops\azext_devops\dev\team\invoke.py", line 44, in invoke
request_body = json.loads(in_file_content)
File "json\__init__.py", line 346, in loads
File "json\decoder.py", line 337, in decode
File "json\decoder.py", line 355, in raw_decode
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

```

## To Reproduce:
Steps to reproduce the behavior. Note that argument values have been redacted, as they may contain sensitive information.

- _Put any pre-requisite steps here..._
- `az devops invoke --area {} --resource {} --route-parameters {} {} --in-file {} --query-parameters {} --http-method {} --api-version {} -o {} --org {}`
- `az devops invoke --area wiki --resource pages --route-parameters project= wikiIdentifier= --in-file --query-parameters path= --http-method PUT --api-version 5.1-preview -o json`

## Expected Behavior
Command should have created a page within the wiki as per documentation

## Environment Summary
```
Windows-10-10.0.22000-SP0
Python 3.10.4
Installer:

azure-cli 2.37.0 *

Extensions:
account 0.2.3
azure-devops 0.25.0
interactive 0.4.5

Dependencies:
msal 1.18.0b1
azure-mgmt-resource 21.1.0b1
```
## Additional Context