chore: update rustc and fix clippy

[codecov[bot]]

Codecov Report

Patch coverage: 7.40% and project coverage change: -0.01 :warning:

Comparison is base (23e6ab9) 83.63% compared to head (deccd6e) 83.62%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1496 +/- ## ========================================== - Coverage 83.63% 83.62% -0.01% ========================================== Files 389 388 -1 Lines 41892 41891 -1 ========================================== - Hits 35036 35033 -3 - Misses 6856 6858 +2 ``` | [Impacted Files](https://app.codecov.io/gh/jorgecarleitao/arrow2/pull/1496?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jorge+Leitao) | Coverage Δ | | |---|---|---| | [src/compute/sort/mod.rs](https://app.codecov.io/gh/jorgecarleitao/arrow2/pull/1496?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jorge+Leitao#diff-c3JjL2NvbXB1dGUvc29ydC9tb2QucnM=) | `38.74% <0.00%> (+0.20%)` | :arrow_up: | | [src/ffi/stream.rs](https://app.codecov.io/gh/jorgecarleitao/arrow2/pull/1496?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jorge+Leitao#diff-c3JjL2ZmaS9zdHJlYW0ucnM=) | `67.80% <100.00%> (ø)` | | | [src/io/parquet/read/deserialize/nested\_utils.rs](https://app.codecov.io/gh/jorgecarleitao/arrow2/pull/1496?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jorge+Leitao#diff-c3JjL2lvL3BhcnF1ZXQvcmVhZC9kZXNlcmlhbGl6ZS9uZXN0ZWRfdXRpbHMucnM=) | `85.58% <100.00%> (-0.13%)` | :arrow_down: | ... and [11 files with indirect coverage changes](https://app.codecov.io/gh/jorgecarleitao/arrow2/pull/1496/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jorge+Leitao)

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