Replace depecated codecs.open() with open()

[matren33]

codec.open has been deprecated since python 3.14, open superseded it

https://docs.python.org/3/library/codecs.html#codecs.open

• I am updating deprecated function.

Change in all files, codecs.open with open function, because codecs.open has been deprecated since python 3.14.

[github-actions]

Thank you for your submission, we really appreciate it. Like many open-source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution. You can sign the CLA by just posting a Pull Request Comment same as the below format.

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I have read the CLA Document and I hereby sign the CLA

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2 out of 3 committers have signed the CLA.
✅ (matren33)[https://github.com/matren33]
✅ (sfc-gh-turbaszek)[https://github.com/sfc-gh-turbaszek]
❌ @mathis renaud
mathis renaud seems not to be a GitHub user. You need a GitHub account to be able to sign the CLA. If you have already a GitHub account, please add the email address used for this commit to your account.
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[sfc-gh-turbaszek]

@matren33 please check linting issues and add changelog entry

[matren33]

I have read the CLA Document and I hereby sign the CLA

[matren33]

For the committer Mathis Renaud I just used the wrong email, this accounts doesn't have any github profile to sign the CLA. Is this possible to remove it from the pull request CLA ?