Unable to list triggers from Azure Data Factory

**Command Name**
`az datafactory trigger list`
`Extension Name: datafactory. Version: 0.2.0.`

**Errors:**
```
Cannot deserialize datetime object., ValueError: Invalid datetime string: 2/1/2021 1:00:00 AM
Traceback (most recent call last):
Temp\pip-unpacked-wheel-yzud0ihl\msrest\serialization.py, ln 1914, in deserialize_iso
ValueError: Invalid datetime string: 2/1/2021 1:00:00 AM

...

Temp\pip-unpacked-wheel-yzud0ihl\msrest\exceptions.py, ln 51, in raise_with_traceback
Temp\pip-unpacked-wheel-yzud0ihl\msrest\serialization.py, ln 1914, in deserialize_iso
msrest.exceptions.DeserializationError: Cannot deserialize datetime object., ValueError: Invalid datetime string: 2/1/2021 1:00:00 AM
```

## To Reproduce:
Steps to reproduce the behavior.

- Prepare an ADF instance with at least one trigger
- `az datafactory trigger list --factory-name {} --resource-group {}`

## Expected Behavior

- Triggers will be listed

## Environment Summary
```
Windows-10-10.0.18362-SP0
Python 3.6.8
Installer: MSI

azure-cli 2.11.1

Extensions:
datafactory 0.2.0

```
## Additional Context

It occurs everywhere disregarding environment, originally observed on DevOps pipeline and taken locally for closer look.