Added Get All Notifications endpoint

We've added an endpoint /v1/companies/{company_uuid}/notifications to fetch all notifications for a given company.

Why: So partners can easily fetch all the notifications for a company and quickly build an in-app UI that surfaces the open tasks for their users

Example response

[
  {
    "uuid": "09d47346-f948-4324-8418-8d4a105ff2b7",
    "company_uuid": "f47e637e-d6ca-4cb5-a88e-f7c0e7409d14",
    "category": "company_setup.missing_mandatory_sick_time_policy",
    "title": "Set up a sick time off policy",
    "message": "At least one company work location requires businesses to provide a sick time off policy.",
    "actionable": true,
    "can_block_payroll": false,
    "published_at": "2025-06-04T11:22:27.000-07:00",
    "due_at": null,
    "status": "open",
    "resources": [],
    "template_variables": {}
  },
  {
    "uuid": "2d6cc5d7-e03b-4cf6-a4bc-aa713fc7a7a0",
    "company_uuid": "f47e637e-d6ca-4cb5-a88e-f7c0e7409d14",
    "category": "bank_error.compensation_credit_failure",
    "title": "Unable to deposit funds to Doyle Corwin",
    "message": "We were unable to deposit a recent paycheck to Doyle’s bank account, so these funds of $100.00 will be returned to Sawayn-Ferry’s bank account. Once the funds are received, the payment should be made directly to Doyle.",
    "actionable": true,
    "can_block_payroll": false,
    "published_at": "2025-06-04T11:22:28.000-07:00",
    "due_at": null,
    "status": "open",
    "resources": [
      {
        "entity_type": "Employee",
        "entity_uuid": "6344f827-d62e-41eb-8b72-9b9edfb8718f"
      }
    ],
    "template_variables": {
      "beneficiary_name": "Doyle Corwin",
      "amount": "$100.00",
      "company_name": "Sawayn-Ferry"
    }
  }
]