Add ancestor type to GraphQL

What does this MR do and why?

This MR adds the ancestor type to GraphQL

# Location type
ancestors

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Before	After

How to set up and validate locally

1. Open the GraphQL Explorer
2. Paste the query and it should display the results

Project	Group

query projectDependencies {
  project(fullPath: "secure-ex/security-reports") {
     dependencies {
      nodes {
        location {
          ancestors {
            name
            version
          }
        }
      }
    }
  }
}

query groupDependencies {
  group(fullPath: "secure-ex") {
     dependencies {
      nodes {
        location {
          ancestors {
            name
            version
          }
        }
      }
    }
  }
}

Related to #517732