Update "@azure/functions": "^3.2.0" to "^4.0.0"

[kazto]

error TS2345: Argument of type 'import("C:/work/node_modules/@azure/functions/types/http").HttpRequest' is not assignable to parameter of type 'import("C:/work/node_modules/@anzp/azure-function-multipart/node_modules/@azure/functions/types/http").HttpRequest'.
  Type 'HttpRequest' is missing the following properties from type 'HttpRequest': get, parseFormBody

29     const { fields, files } = await parseMultipartFormData(request);
                                                              ~~~~~~~

#373 is similar to this Issue, but I believe the cause is different.