Feat(eos_designs): Make BFD configurable under bgp_peer_groups

[ClausHolbechArista]

Change Summary

Make BFD configurable under bgp_peer_groups

Component(s) name

arista.avd.eos_designs

Proposed changes

    bgp_peer_groups:
      ipv4_underlay_peers:
        name: <str>
        password: <str>
        bfd: <bool>
        structured_config: <dict>
      mlag_ipv4_underlay_peer:
        name: <str>
        password: <str>
        bfd: <bool>
        structured_config: <dict>
      evpn_overlay_peers:
        name: <str>
        password: <str>
        bfd: <bool>
        structured_config: <dict>
      evpn_overlay_core:
        name: <str>
        password: <str>
        bfd: <bool>
        structured_config: <dict>
      mpls_overlay_peers:
        name: <str>
        password: <str>
        bfd: <bool>
        structured_config: <dict>
      rr_overlay_peers:
        name: <str>
        password: <str>
        bfd: <bool>
        structured_config: <dict>
      ipvpn_gateway_peers:
        name: <str>
        password: <str>
        bfd: <bool>
        structured_config: <dict>

How to test

• Renamed existing molecule tests for BGP_PEER_GROUPS_STRUCTURED_CONFIG to BGP_PEER_GROUPS and added the bfd key with the opposite of the default value for all peer-groups.
• Verified updated outputs
• No unexpected changes.

Checklist

User Checklist

• N/A

Repository Checklist

• My code has been rebased from devel before I start
• I have read the CONTRIBUTING document.
• My change requires a change to the documentation and documentation have been updated accordingly.
• I have updated molecule CI testing accordingly. (check the box if not applicable)

[github-actions]

This pull request has conflicts, please resolve those before we can evaluate the pull request.

[carlbuchmann]

LGTM, reviewed test results.

[emilarista]

Tested and reviewed docs, LGTM!