Ritika shakya

Mypy checks for NNCF common pruning code

19

### Changes This PR closes issue https://github.com/openvinotoolkit/nncf/issues/2494 by addressing various mypy checks - Resolved specific mypy errors related to type inconsistencies. - Utilized `# type:ignore` for cases requiring significant refactoring...

[ONNX] Aligned ReduceL1 behavior #20559

3

### Details: -I've aligned the ReduceL1 operation with opset 11, 13, and 18. I've registered the function inside the ops_bridge.cpp, created test models, and added them inside onnx_import.in.cpp. ### Tickets:...