docs: update searchAcrossLineage query to support hops 1, 2, and 3+

[Copilot]

The searchAcrossLineage GraphQL example in the lineage tutorial only filtered for degree 1, making it inconsistent with the scrollAcrossLineage example which correctly demonstrates multi-hop filtering.

Change:

• Updated orFilters in docs/api/tutorials/lineage.md from values: ["1"] to values: ["1", "2", "3+"]

Updated query:

query searchAcrossLineage {
  searchAcrossLineage(
    input: {
      query: "*"
      urn: "urn:li:dataset:(urn:li:dataPlatform:snowflake,analytics.orders,PROD)"
      count: 10
      direction: UPSTREAM
      orFilters: [{ and: [{ field: "degree", values: ["1", "2", "3+"] }] }]
      lineageFlags: {
        startTimeMillis: 1625097600000
        endTimeMillis: 1627776000000
      }
    }
  ) {
    searchResults {
      entity {
        urn
        type
      }
      degree
    }
  }
}

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