IP Ranges Conditional Parameter Support

IP Ranges now support parameters providing more dynamic control of when ip ranges is used in builds.

Example

version: 2.1

parameters:
  ip_ranges:
    type: boolean
    default: true

executors:
  base:
    docker:
      - image: cimg/base:stable

jobs:
  job_a:
    executor: base
    circleci_ip_ranges: << pipeline.parameters.ip_ranges >>
    steps:
      - run: echo "Running job a"

workflows:
  workflow-a:
    jobs:
      - job_a