feat: ability to optionally disable the caching of virtual arrays on themselves

[ikrommyd]

This allows us to disable the caching of the materialized array on the virtual array object.
The virtual arrays will still be aware of their generators and be able to materialize again (they just need to call the generator again).
The option is passed through from_buffers which is currently the only publicly exposed way to create virtual arrays.
We also have the freedom with this PR to disable the caching only for specific types of buffers. You may want to keep it for offsets only for example but disable it for all the contents. This PR lets you do that.
The reason for this PR is to enable us the ability to handle caching outside of awkward and be able to handle memory and clean up loaded arrays if we want to. This becomes important in low memory workers where you may have needed to materialize some branches at the beginning of the analyses to do a couple of cuts but you don't need them anymore and want to "dematerialize" them to free up memory.

@pfackeldey this is in line with what we discussed regarding what options to allow and what not.

[codecov]

Codecov Report

❌ Patch coverage is 91.66667% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 82.71%. Comparing base (b749e49) to head (197a4b5).
⚠️ Report is 474 commits behind head on main.

Files with missing lines	Patch %	Lines
src/awkward/operations/ak_from_buffers.py	83.33%	1 Missing ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
src/awkward/_nplikes/array_module.py	95.25% <ø> (+8.87%)	⬆️
src/awkward/_nplikes/virtual.py	90.68% <100.00%> (ø)
src/awkward/_pickle.py	78.94% <ø> (-8.36%)	⬇️
src/awkward/forms/form.py	81.33% <ø> (-0.94%)	⬇️
src/awkward/highlevel.py	78.30% <ø> (+1.63%)	⬆️
src/awkward/operations/ak_from_avro_file.py	80.95% <ø> (ø)
src/awkward/operations/ak_from_iter.py	92.00% <ø> (ø)
src/awkward/operations/ak_from_safetensors.py	88.88% <ø> (ø)
src/awkward/operations/ak_from_buffers.py	94.17% <83.33%> (+0.05%)	⬆️

... and 193 files with indirect coverage changes

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[github-actions]

The documentation preview is ready to be viewed at http://preview.awkward-array.org.s3-website.us-east-1.amazonaws.com/PR3741

[pfackeldey]

@ikrommyd please find my review in the ak.from_buffers changes :)

[pfackeldey]

Thanks @ikrommyd, this looks good to me.