Feat(eos_designs): Add option for ip igmp snooping fast-leave

[Shivani-gslab]

Change Summary

Add option for ip igmp snooping fast-leave

Related Issue(s)

Fixes #3942

Component(s) name

arista.avd.eos_designs

Proposed changes

Adding fast_leave key to evnpn_l2_multicast and inner igmp_snooping_querier in tenants (network_services).
Inserting fast_leave config only if evpn_l2_multicast.enabled or inner igmp_snooping_querier.enabled is true and fast_leave is true.

How to test

Added tests in eos_designs_unit_tests molecule scenario in this PR. Test with EOS CLI.

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]

Review docs on Read the Docs

To test this pull request:

# Create virtual environment for this testing below the current directory
python -m venv test-avd-pr-4180
# Activate the virtual environment
source test-avd-pr-4180/bin/activate
# Install all requirements including PyAVD
pip install "pyavd[ansible] @ git+https://github.com/Shivani-gslab/avd.git@fast_leave#subdirectory=python-avd" --force
# Install Ansible collection
ansible-galaxy collection install git+https://github.com/Shivani-gslab/avd.git#/ansible_collections/arista/avd/,fast_leave --force
# Optional: Install AVD examples
cd test-avd-pr-4180
ansible-playbook arista.avd.install_examples

[laxmikantchintakindi]

LGTM!

[gmuloc]

some description schema changed I overlooked in my previous review - last changes and we can merge as far as I am concerned