r/evpn: use new provider via framework and add `duplicate_mac_detection` block

[jeremmfr]

ENHANCEMENTS:

• resource/junos_evpn:
  • resource now use new terraform-plugin-framework
    some of config errors are now sent during Plan instead of during Apply
    optional boolean attributes doesn't accept value false
    optional string attributes doesn't accept empty value
    the resource schema has been upgraded to have one-blocks in single mode instead of list
  • add duplicate_mac_detection block argument (Fix #535)