feat(anta.tests): Add OSPF Max LSA Test

[klorfevre]

Description

This PR introduces a new feature for anta OSPF test:

Verifies LSAs present in the OSPF link state database did not cross the maximum LSA Threshold

Expected Results
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* Success: The test will pass if all OSPF instances did not cross the maximum LSA Threshold.
* Failure: The test will fail if some OSPF instances crossed the maximum LSA Threshold.
* Skipped: The test will be skipped if no OSPF instance is found.

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)

[mtache]

Super clean 👌
Thank you !