Refactor failureFunction args

[fahreddinozcan]

Currently the failureFunction interface is as below. To recieve the failHeaders, you also need to pass the args before. With this PR, you can now destructure the args and use only what you need.

export const { POST } = serve<string>(
  async (context) => { ... },
  {
    failureFunction: async (
      context,      // context during failure
      failStatus,   // failure status
      failResponse, // failure message
      failHeaders   // failure headers
    ) => {
      // handle the failure
    }
  }
);

This is now turned into

export const { POST } = serve<string>(async (context) => {
  ...
}, {
  failureFunction: async ({ context, failResponse }) => {
    //handle the failure
  },
})

[linear]

DX-1428 Update `failureFunction` interface