feat: unsupported platform warning

[mtache]

Description

If a command defined in a specific test returns the "not supported on this hardware platform" error, the test will be skipped (instead of being in error) and a clear warning will request the user to open a GitHub issue because the test needs to be skipped on specific hardware platform but this has not been implemented.

Example:

WARNING  [anta.tests.hardware.VerifyAdverseDrops] Test VerifyAdverseDrops has been skipped because it is not supported on cEOSLab, please open a GitHub issue.

Changes:

• Introduce supports() method for AntaDevice.

Fixes #335
Fixes #421

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have run pre-commit for code linting and typing (pre-commit run)
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes (tox -e testenv)
• Open PR at https://github.com/jeremyschulman/aio-eapi -> feat: add errors instance attribute to EapiCommandError jeremyschulman/aio-eapi#13

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[github-actions]

Conflicts have been resolved. A maintainer will review the pull request shortly.

[gmuloc]

🚢