feat(anta): Updated VerifyBFDPeersIntervals for failure message to be in milliseconds like the inputs

[vitthalmagadum]

Description

In eAPI reports the interval timers are in microseconds instead of milliseconds so converted timers in to milliseconds to be consistent with the inputs.

Fixes #799

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 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)

[sonarqubecloud]

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

[carl-baillargeon]

LGTM