wsl: do not enable livepatch on wsl

[orndorffgrant]

Why is this needed?

Fixes: #3156

FYI @CarlosNihelton

Test Steps

Run the new test.

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Bug References

• GitHub: Bug: pro attach under systemd fails to detect container because ischroot is always true #3156

Confirm

• I've properly referenced all bugs that this PR fixes

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Test Updates

Unit Tests

• I have updated or added any unit tests accordingly
• No unit test changes are necessary for this change

Integration Tests

• I have updated or added any integration tests accordingly
• No integration test changes are necessary for this change

Documentation

• Changes here need to be documented and I have referenced the docs PR in the description
• No documentation updates are necessary for this change

Does this PR require review from someone outside the core ubuntu-pro-client team?

• Yes, and I have requested those reviews via GitHub
• No

[dheyay]

👍