test python 3.11, add latest ubuntu, fix enum

[xwings]

Checklist

Which kind of PR do you create?

• This PR only contains minor fixes.
• This PR contains major feature update.
• This PR introduces a new function/api for Qiling Framework.

Coding convention?

• The new code conforms to Qiling Framework naming convention.
• The imports are arranged properly.
• Essential comments are added.
• The reference of the new code is pointed out.

Extra tests?

• No extra tests are needed for this PR.
• I have added enough tests for this PR.
• Tests will be added after some discussion and review.

Changelog?

• This PR doesn't need to update Changelog.
• Changelog will be updated after some proper review.
• Changelog has been updated in my PR.

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• The target branch is dev branch.

One last thing

• I have read the contribution guide

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[elicn]

There was a reason for these enum values to be None, though it is not compatible with Python 3.11 yet. Your change breaks the functionality of ql_open_flag_mapping which relies on None to tell non-existing types from others (that could be 0, which is a valid value).

[xwings]

fair enuf, now we need a fix ?

[elicn]

Probably.. I'll see what I can do.