Add kind argument to project jobs resolver

What does this MR do and why?

Add kind argument

Adds kind arugment to GraphQL API for filtering jobs by kind.

Changelog: added

Fullstack MR can be found here to see it in action !198130 (closed)

References

Screenshots or screen recordings

How to set up and validate locally

1. Visit http://gdk.test:3000/-/graphql-explorer
2. Test query

query getJobs(
  $fullPath: ID!
  $first: Int
  $statuses: [CiJobStatus!]
  $kind: CiJobKind! = BUILD
) {
  project(fullPath: $fullPath) {
    id
    jobs(
      first: $first
      statuses: $statuses
      kind: $kind
    ) {
      nodes {
        artifacts {
          nodes {
            downloadPath
            fileType
          }
        }
        allowFailure
        status
        id
        refName
        refPath
        tags
        shortSha
        commitPath
        pipeline {
          id
        }
        name
        duration
        finishedAt
      }
    }
  }
}

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Related to #555434 (closed)