[quantization] Introduce wrapper for Qwen3VLVisionModel

[dvsav]

This change introduces QuantQwen3VLVisionModel wrapper to support post-training quantization of Qwen3VLVisionModel operation.

Why?

Qwen3VLVisionModel module is used in the image encoder part of VLMs.
Trying to quantize Qwen3VLVisionModel via PTQ generates exception PTQQuantizer: no quantization wrapper for Qwen3VLVisionModel.

What

This change introduces:

• class QuantQwen3VLVisionModel (tico/quantization/wrapq/wrappers/qwen_vl/quant_vision_model.py)
• adds it to _CORE_MODULES (tico/quantization/wrapq/wrappers/registry.py)
• unit tests class TestQuantQwen3VLVisionModel (test/quantization/wrapq/wrappers/nn/test_quant_vision_model.py)
• Example of Qwen3VLVisionModel quantization and conversion to Circle (tico/quantization/wrapq/examples/qwen/quantize_quant_vision_model.py).

Unit Tests

Unit tests results with coverage information:

$ coverage run -m pytest test/quantization/wrapq/wrappers/qwen_vl/test_quant_vision_model.py -v

Coverage info (irrelevant files skipped):

$ coverage report -m
Name                                                                   Stmts   Miss  Cover   Missing
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...
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TOTAL                                                                  XXXXXX   XXXX    XX%