Update Reimbursement

Example request

{
  "Beneficiaries": [
    {
      "EmailAddress": "DaffyDuck@example.org",
      "Name": "Daffy Duck"
    },
    {
      "EmailAddress": "PorkyPig@example.org",
      "Name": "Porky Pik"
    }
  ],
  "Categories": [
    "Anvils",
    "Carrots",
    "Travel"
  ],
  "EntityType": "other",
  "Owner": {
    "EmailAddress": "BugsBunny@example.org",
    "Name": "Bugs Bunny"
  },
  "ProjectURL": "https://funding.dev.platform.linuxfoundation.org/projects/asp-net"
}