feat(rust/sedona-raster-functions): add RS_BandPixelType, RS_BandNoDataValue UDFs#612

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Kontinuation:pr11-rs-band-accessors

Commits on Feb 19, 2026

feat(raster): add RS_BandPixelType, RS_BandNoDataValue, and RS_BandIsNoData UDFs
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refactor(raster): use shared utilities in RS_BandPixelType, RS_BandNoDataValue, RS_BandIsNoData
Kontinuation
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Remove RS_BandIsNoData and fix behavior of handling out-of-bound band index
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