gh-112983: Add the known magic value of 3495 for Python 3.11 bytecode

[wimglenn]

This line from @ambv in 1bfe83a got lost somehow (maybe conflict in #94552?)

• Issue: Add magic number of 3.11 final bytecode #112983

[carljm]

Hmm, interesting, I don't think a bad merge is necessary to explain this, just the fact of the backporting process. The PR in main lands first, and it's unnatural there to predict a backport-version bytecode magic number that doesn't exist yet (though I suppose this is the right thing for such a PR to do). The backport PR then adds the backport magic number, but there's nothing in our process that would ever merge that forwards to main again.

This would only occur if we backport a backward-incompatible bytecode change after the beta cutoff, which I think we usually prefer not to do.

Anyway, adding the missing version certainly seems like the right thing to do. Thanks for the PR!

[wimglenn]

@carljm Ah, that makes sense. I see it in the 3.11 branch but not in the 3.12 branch.
https://github.com/python/cpython/blob/3.11/Lib/importlib/_bootstrap_external.py
https://github.com/python/cpython/blob/3.12/Lib/importlib/_bootstrap_external.py
Should this be cherry-picked into 3.12 branch too?

[carljm]

Good call, yes, we should backport this to 3.12 as well.

[miss-islington-app]

Thanks @wimglenn for the PR, and @carljm for merging it 🌮🎉.. I'm working now to backport this PR to: 3.12.
🐍🍒⛏🤖

[bedevere-app]

GH-113023 is a backport of this pull request to the 3.12 branch.