Move EQL and SQL projects from Part3 to Part5, and move
smoke-test projects and :x-pack:plugin root from Part3 to
Part6. This reduces Part3 from ~86 min to ~60 min, cutting
PR build critical path by ~25-30%.

Move EQL and SQL projects from Part3 to Part5, and move
smoke-test projects and :x-pack:plugin root from Part3 to
Part6. This reduces Part3 from ~86 min to ~60 min, cutting
PR build critical path by ~25-30%.

…42966)

Move EQL and SQL projects from Part3 to Part5, and move
smoke-test projects and :x-pack:plugin root from Part3 to
Part6. This reduces Part3 from ~86 min to ~60 min, cutting
PR build critical path by ~25-30%.

…on-sliced-reindex

* upstream/main:
  Activity logging improvements (elastic#142901)
  Fix serialization of NodeGpuStatsResponse when no GPU is present (elastic#142937)
  Add doc on master elections in DistributedArchitectureGuide (elastic#142435)
  ESQL: Account for missing StubRelation due to SurrogateExpressions replacement (elastic#142882)
  Add BulkByScrollTask Serialization Tests (elastic#142697)
  Rebalance CI test partitions to reduce Part3 bottleneck (elastic#142930)
  Mute org.elasticsearch.xpack.esql.qa.multi_node.EsqlClientYamlIT test {p0=esql/40_tsdb/to_aggregate_metric_double with multi_values} elastic#142964
  Bump OpenTelemetry dependencies (elastic#142323)
  SQL: add support for API key to JDBC and CLI (elastic#142021)
  Ensure requested capability exists (elastic#142695)
  Warn and fall back to local branches.json (elastic#142606)
  [CI] Mute testWithFetchFailures, testAddCompletionListenerScheduleErr… (elastic#142926)
  ESQL: Add support for ORC file format (elastic#142900)
  Update wolfi (versioned) (elastic#142948)
  Add BulkByScrollResponse Serialization Tests (elastic#142688)
  Run 25_id_generation with and without synthetic id (elastic#142770)

…42965)

Move EQL and SQL projects from Part3 to Part5, and move
smoke-test projects and :x-pack:plugin root from Part3 to
Part6. This reduces Part3 from ~86 min to ~60 min, cutting
PR build critical path by ~25-30%.