refactor(anta): Refactor the VerifyBFDPeersIntervals test to add detection time

[vitthalmagadum]

Description

Verifies the timers of the IPv4 BFD peers in the specified VRF.

Expected Results
----------------
* Success: The test will pass if the timers of the IPv4 BFD peers are correct in the specified VRF.
* Failure: The test will fail if the IPv4 BFD peers are not found or their timers are incorrect in the specified VRF.

Fixes #857

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)

[codspeed-hq]

CodSpeed Performance Report

Merging #858 will not alter performance

_{Comparing vitthalmagadum:issue_857 (1ad4f79) with main (93a4b44)}

Summary

✅ 8 untouched benchmarks

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[github-actions]

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