function isLogicalAssignmentOperator(operator) {
  return operator === '&&=' || operator === '||=' || operator === '??=';
}
Checks whether the given assignment operator is a logical assignment operator.
Logical assignments are taken into account for the code path analysis
because of their short-circuiting semantics.
@param {string} operator The operator found in the AssignmentExpression node
@returns {boolean} `true` if the operator is "&&=" or "||=" or "??="