Piotr Idzik

This code can be simplified ~by using the `max` function~. This change also resolves the [`consider-using-max-builtin / R1731`](https://pylint.readthedocs.io/en/stable/user_guide/messages/refactor/consider-using-max-builtin.html) warning.

This PR resolves the [`consider-using-generator / R1728`](https://pylint.readthedocs.io/en/latest/user_guide/messages/refactor/consider-using-generator.html) warning.

`split64` appears to be unused in these files.

I noticed that some of the actions in [`codeql-analysis.yml`](https://github.com/Legrandin/pycryptodome/blob/2c3a8905a7929335a9b2763e18d6e9ed516b8a38/.github/workflows/codeql-analysis.yml) that are no longer up to date. This PR updates them to the newest available. It might make sense to configure...

This change removes unused variables - nothing more to add.

Related to android-actions/setup-android#429