venv error message is incorrect

### How did you install the Amplify CLI?

npm

### If applicable, what version of Node.js are you using?

8.19.2

### Amplify CLI Version

12.8.2

### What operating system are you using?

Mac

### Did you make any manual changes to the cloud resources managed by Amplify? Please describe the changes made.

No

### Describe the bug

The following error message is incorrect. You can't install virtualenv by using `pip install venv`. venv has been built into python since python 3.3, so maybe that should be used instead.
https://docs.python.org/3/library/venv.html

If you want to use virtualenv instead, it can be installed with `pip install virtualenv`.

```You must have virtualenv installed and available on your PATH as "venv". It can be installed by running "pip3 install venv".```

### Expected behavior

Expecting to get a useful and accurate error message or none at all.

### Reproduction steps

1. Have Python installed, but without virtualenv on your system
2. Set up a Python API with the Amplify CLI https://docs.amplify.aws/guides/api-rest/python-api/q/platform/js/
4. Notice during `amplify push` step, that the inaccurate error message is displayed.

### Project Identifier

_No response_

### Log output

```
# Put your logs below this line

```

### Additional information

_No response_

### Before submitting, please confirm:

- [X] I have done my best to include a minimal, self-contained set of instructions for consistently reproducing the issue.
- [X] I have removed any sensitive information from my code snippets and submission.

Reproduce the problem by running `amplify push` for a Python API with Python installed but without virtualenv, then locate the source that emits the quoted message. Done means the CLI no longer recommends `pip3 install venv` and instead gives an accurate message or omits the error.

Written by the indexing model from the issue text.