[SSS Review] Update Copyrights, CICD update and maintenance, Bugfix for tests, and Update python_require>=3.9

[kawakami-masaki0]

Pull Request Description:

• Update copyrights(Sony Semiconductor Israel->Sony Semiconductor Solutions) (Update Copyrights(Sony Semiconductor Israel, Ltd -> Sony Semiconducto… #127)

• Update CICD

  • Fix to run CICD outside of main branch (CICD Target Branch Change #128)
  • Restrict ONNX version (ONNX Version Specification #130)
  • Remove nightly release (Removal of Nightly #131)

• CICD maintenance (CICD Maintenance #132)

  • Delete tests of unsupported libraries
  • Add tests for PyTorch2.6
  • Separate Python version testing for TensorFlow and PyTorch

• Bugfix for tests

  • Fix to include float error (Fix to include float error #129)
  • Adapt to the specification change in the torch.load function in PyTorch2.6 (Fix to include float error #129)
  • Fix to generate input ​​that contain both positive and negative values(Bugfix to quantizer test #134)

• Update python_require>=3.9 (Update python_requires #133)

Checklist before requesting a review:

• I set the appropriate labels on the pull request.
• I have added/updated the release note draft (if necessary).
• I have updated the documentation to reflect my changes (if necessary).
• All function and files are well documented.
• All function and classes have type hints.
• There is a licenses in all file.
• The function and variable names are informative.
• I have checked for code duplications.
• I have added new unittest (if necessary).