build(deps): Bump smallvec from 1.16.1 to 1.16.2 in the cargo group

[dependabot]

Bumps the cargo group with 1 update: smallvec.

Updates smallvec from 1.16.1 to 1.16.2

Release notes

Sourced from smallvec's releases.

v1.16.2

What's Changed

• Backport v2’s retain implementation to v1 by @​charliermarsh in servo/rust-smallvec#596
• Fix element ownership tracking with may_dangle by @​charliermarsh in servo/rust-smallvec#594
• Fix Cargo manual_readme warning by @​Rayan-and-beyond in servo/rust-smallvec#608
• chore: bump version by @​alejandro-vaz in servo/rust-smallvec#617

New Contributors

• @​Rayan-and-beyond made their first contribution in servo/rust-smallvec#608

Full Changelog: servo/rust-smallvec@v1.16.1...v1.16.2

Commits

• ccf5fc7 chore: bump version (#617)
• af207cc Merge pull request #608 from Rayan-and-beyond/fix/manual-readme-warning-606
• cda4b73 Merge pull request #594 from astral-sh/charlie/codex-fix-may-dangle
• d0556cb Merge pull request #596 from astral-sh/charlie/codex-v1-compact
• f73914c Flatten retain tests into the unit test module
• 954d599 Move retain tests into the unit test module
• 8d93633 Remove added retain benchmark harness
• 88c6bfa Limit compaction optimization to retain
• b9ef17d Fix element ownership tracking with may_dangle
• 42029c2 Compact retained elements directly in retain and dedup_by
• See full diff in compare view

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[github-actions]

Speed against b6e82bb9

Measured on AMD EPYC 7763 64-Core Processor.
Both sides built with rustc 1.98.1 (48a229cea 2026-09-01).

Both sides built and run on this runner in this job, the way
scripts/speed.sh measures a perf commit. Each round runs
both sides on a layout of its own, the same compiled code with
its code and data shuffled and moved, so the 95% interval carries
where the code landed as well as the run. The verdict holds the
interval against a 1% threshold. The default layout, the one a
release ships, is measured after as a diagnostic. The node
counts are the search's: they move when the search does, and a
speed change leaves them alone.

round     base nps  candidate nps  change
    1      4450143        4532742   +1.9%
    2      4464165        4571192   +2.4%
    3      4532980        4474309   -1.3%
    4      4524574        4503984   -0.5%
    5      4616975        4482333   -2.9%
    6      4474564        4342537   -3.0%
    7      4238012        4398040   +3.8%
    8      4413785        4457544   +1.0%
    9      4631610        4676670   +1.0%
   10      4639513        4685051   +1.0%
   11      4550540        4544443   -0.1%
   12      4389611        4252451   -3.1%
   13      4535381        4462889   -1.6%
   14      4253170        4335159   +1.9%
   15      4298883        4626043   +7.6%
   16      4398050        4434803   +0.8%
   17      4327085        4485390   +3.7%
   18      4391614        4418604   +0.6%
   19      4356292        4427126   +1.6%
   20      4241278        4526548   +6.7%
   21      4338381        4335824   -0.1%
   22      4274669        4568066   +6.9%
   23      4116505        4457411   +8.3%
   24      4387225        4488491   +2.3%
   25      4327766        4145898   -4.2%
   26      4295444        4385003   +2.1%
   27      4069358        4228778   +3.9%
   28      4085905        4136670   +1.2%
   29      4153443        4150903   -0.1%
   30      4042532        4205968   +4.0%
   31      4073871        3994989   -1.9%
   32      4006977        4046636   +1.0%
   33      4049562        4015248   -0.8%
   34      4018691        4076908   +1.4%
   35      4127806        4123496   -0.1%
   36      4099001        4133085   +0.8%
   37      4032700        4035319   +0.1%
   38      4217680        4136140   -1.9%
   39      4303301        4220721   -1.9%
   40      4103670        4114705   +0.3%

             nodes    time  median nps  faster half
base       5965973  1.39 s     4301092      4452678
candidate  5965973  1.36 s     4391522      4511084
change                           +2.1%        +1.3%

paired change +0.9%, 95% interval +0.0% to +1.8%
diagnostic, on the default layout alone -0.4%, 95% interval -1.5% to +0.8%, 13 rounds

not resolved: the interval reaches past ±1.0% without clearing it, so
more rounds are needed to say either way

Speed: +0.9% (bench nps, 95% interval +0.0% to +1.8%, 40 interleaved rounds over shuffled layouts vs b6e82bb9)

The instructions each side's bench executed, counted under
cachegrind. The count repeats to within a few hundred
instructions, so a small change here is a real one, but it
prices instructions only: cache misses, mispredicted branches
and where the code lands are the speed's to show.

instructions against b6e82bb9, one cachegrind run a side, bench

            instructions    nodes  per node
base       9,381,485,559  5965973    1572.5
candidate  9,381,485,588  5965973    1572.5
change            +0.00%             +0.00%

within ±0.7%, as far as edits not made for speed have moved the count