Handle campaign_updated events

[1v4n4]

The issue #132

Example of the event message:

  "campaign": {
    "config": {
      "component": {
        "register": {
          "field": {
            "comment": true,
            "country": true,
            "email": {
              "required": true
            },
            "firstname": {
              "required": true
            },
            "lastname": true,
            "organisation": false,
            "phone": false,
            "postcode": true
          }
        },
        "sync": {
          "customLabel": "25016_Test_Petition_Feld",
          "listId": "621987"
        }
      }
    },
    "contactSchema": "basic",
    "externalId": 6219871,
    "id": 812,
    "name": "sync_test",
    "org": {
      "name": "hateaid-test",
      "title": "HateAid Test Account"
    },
    "title": "Sync test"
  },
  "campaignId": 812,
  "eventType": "campaign_updated",
  "orgId": 981,
  "schema": "proca:event:2",
  "timestamp": "2025-01-16T13:25:17Z"
}

Except for an attempt to solve the issue, some dependencies are updated in this PR (breaking changes not expected)

[1v4n4]

@tttp How to test?