[GLUTEN-6887][VL] Daily Update Velox Version (2026_09_05)

[GlutenPerfBot]

Upstream Velox's New Commits:

7427d6aab by tanjialiang, fix(nimble): Skip stripes that project no streams
1b1566023 by Hongze Zhang, feat(spark): Support toIntermediate in AverageAggregate
61b7be277 by tanjialiang, perf(nimble): Slice BlockBitPacking partial blocks structurally instead of repacking
3769b9ad7 by Pedro Pedreira, feat(vector): Expose if DecodedVector buffers are borrowed or owned (18795)
c10f41ba1 by Wei He, fix(build): Remove deprecated gMock `Invoke` wrappers
e527416d7 by Maria Basmanova, refactor(connectors): Add is<T>() and as<T>() downcasts (18847)
3e9b8f8ff by Maria Basmanova, feat(exec): Show what a table scan reads in plan text (18842)
1cae9c7ea by Sathish Krishna Raju, feat(writer): Expose nimble writer options as SerDe keys
dd436f010 by Kaifei Yi, feat: Add Spark btrim function
796c6214c by zhichenxu-meta, fix(rpc): Guard the backend stats read on close(), and split isBlocked() by mode (18743)
def80f989 by dependabot[bot], build(deps): Bump fast-uri from 3.1.5 to 3.1.7 in /website
990d1c8ba by inf, feat(parquet): Add writer.row-group-size config
d7cec91cd by jkhaliqi, refactor(parquet): Use velox parquet reader in FileSerializeTest
bcf94d0a8 by Wei He, fix(build): Remove deprecated gMock action wrappers
c40c77c78 by Maria Basmanova, fix(build): Drop LazyRE2 from parse_duration
edf4530c4 by tanjialiang, fix(nimble): Reject shared dictionary encoding in the index projector
832171843 by Xiaoxuan, fix(nimble): Bound parallel decode across reader tree (18828)
d6f31488a by Ping Liu, fix(parquet): Use unaligned loads in DeltaBpDecoder SIMD path
1a170973d by kevinwilfong, fix(exec): Only retain clustered input when no group spans batches (18789)
253b5ea60 by PRASHANT GOLASH, perf(nimble): Collect string min/max in a single pass (18760)
f23b2a1f0 by zhichenxu-meta, fix(rpc): Correct the low-water report and the BATCH AIMD recovery unit (18582)
e3a04892c by dependabot[bot], build(deps): Bump browserslist from 4.28.2 to 4.28.8 in /website
8e831bc10 by Krishnakanth, feat(core): Allow UnnestNode to skip unused output columns (18214)
28868220e by Krishnakanth, feat(core): Allow UnnestNode to skip unused output columns
a6b9f7754 by emilysun201309, feat: Add Spark-dialect map_from_arrays to Velox (18630)
e17810fe5 by Maria Basmanova, fix(datetime): Stop truncating intervals over 24 days
e3674cebb by macduan, fix(nimble): Resolve EncodingFactory({}) ambiguity in Fsst test
ec9e0b462 by Naveen Mahadevuni, fix(iceberg): Do not read timestamp default values as localtime
e5b51342a by Joe Abraham, feat(exec): Enforce NOT NULL constraints on table writes
07103eea6 by Xiaoxuan, fix(nimble): Avoid nested parallel decode deadlock (18796)
231d16aa6 by Natasha Sehgal, feat: Add no-op runtime stat writer (18773)
7987835be by Rui Mo, fix: Avoid null dereference in Parquet StructColumnReader

velox_branch: https://github.com/IBM/velox/commits/dft-2026_09_05

Related issue: #6887