Pythonless read

[WillAyd]

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[WillAyd]

First benchmark run:

| Change   | Before [5cfcf2b9] <main>   | After [a31f76ae] <pythonless-read>   |   Ratio | Benchmark (Parameter)                      |
|----------|----------------------------|--------------------------------------|---------|--------------------------------------------|
| -        | 98.1±5ms                   | 67.9±4ms                             |    0.69 | benchmarks.TimeSuite.time_read_frame       |
| -        | 2.95±0.05s                 | 382±50ms                             |    0.13 | benchmarks.TimeReadLong.time_read_frame    |
| -        | 2.16G                      | 253M                                 |    0.12 | benchmarks.TimeReadLong.peakmem_read_frame |

SOME BENCHMARKS HAVE CHANGED SIGNIFICANTLY.
PERFORMANCE INCREASED.

[WillAyd]

Benchmarks compared to 3.0.3 (there was some regression in reading with the initial move to nanoarrow):

| Change   | Before [1f067879] <3.0.3~7>   | After [a31f76ae] <pythonless-read>   |   Ratio | Benchmark (Parameter)                      |
|----------|-------------------------------|--------------------------------------|---------|--------------------------------------------|
| -        | 98.2±4ms                      | 68.5±2ms                             |    0.7  | benchmarks.TimeSuite.time_read_frame       |
| -        | 1.63±0.07s                    | 393±20ms                             |    0.24 | benchmarks.TimeReadLong.time_read_frame    |
| -        | 1.28G                         | 254M                                 |    0.2  | benchmarks.TimeReadLong.peakmem_read_frame |

SOME BENCHMARKS HAVE CHANGED SIGNIFICANTLY.
PERFORMANCE INCREASED.