docs: fix code in rag langchain chunker tokenizer (#2993)

* docs: fix code in rag langchain chunker tokenizer

Signed-off-by: Maree Carroll <maree.carroll@gmail.com>

* DCO Remediation Commit for Maree Carroll <maree.carroll@gmail.com>

I, Maree Carroll <maree.carroll@gmail.com>, hereby add my Signed-off-by to this commit: c5abe24ab0c8f29188373dfeaca2c0d6aff8cca2

Signed-off-by: Maree Carroll <maree.carroll@gmail.com>

* fix:Loosen pillow version constraints to allow CVE-2026-25990 fix (#2992)

* Loosen pillow version constraints to allow CVE-2026-25990 fix

Signed-off-by: divekarsc <divekar.samved@gmail.com>

* Added numba>=0.63.0 constraint directly to the asr optional dependency in pyproject.toml

Signed-off-by: divekarsc <divekar.samved@gmail.com>

* fix:Added numba>=0.63.0 constraint directly to the asr optional dependency in pyproject.toml

Signed-off-by: divekarsc <divekar.samved@gmail.com>

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Signed-off-by: divekarsc <divekar.samved@gmail.com>
Signed-off-by: Maree Carroll <maree.carroll@gmail.com>

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Signed-off-by: Maree Carroll <maree.carroll@gmail.com>
Signed-off-by: divekarsc <divekar.samved@gmail.com>
Co-authored-by: Samved Divekar <divekar.samved@gmail.com>