Add [junos_l2_interface] module

[ganeshrn]

• junos_lacp module implementation to work with netconf connection type

• junos_facts module implemenration to support lacp facts gathering

[ansible-zuul[bot]]

Build failed.

• ansible-tox-linters : FAILURE in 4m 41s

[ansible-zuul[bot]]

Build failed.

• ansible-tox-linters : FAILURE in 4m 05s

[ganeshrn]

Moved to https://github.com/ansible/ansible/pull/59693