[Campaigns] Get Campaign Categories

curl --request GET \
  --url 'https://api.criteo.com/legacy/marketing/v1/categories?categoryHashCodes=9876543' \
  --header 'Accept: application/json'

[
  {
    categoryHashCode: 9876543,
    categoryName: 'cat-one',
    catalogId: 76543,
    catalogName: 'full-inventory',
    advertiserId: 1,
    advertiserName: 'Advertiser US',
    campaignId: 1234,
    campaignName: 'Web Conversion - Retargeting',
    averagePrice: 250.22,
    numberOfProducts: 151,
    categoryBid: { bidValue: 1.1, bidCurrency: 'USD', bidType: 'CPC' },
    enabled: true
  },
  {
    categoryHashCode: 9876543,
    categoryName: 'cat-one',
    catalogId: 76543,
    catalogName: 'full-inventory',
    advertiserId: 1,
    advertiserName: 'Advertiser US',
    campaignId: 5678,
    campaignName: 'Web Consideration - Similar Audience',
    averagePrice: 250.22,
    numberOfProducts: 151,
    categoryBid: { bidValue: 0.7, bidCurrency: 'USD', bidType: 'CPC' },
    enabled: true
  }
 ]