fix(interrupts): Add the callbacks to the list of root pointers

The garbage collector needs to be aware of the callbacks used for interrupts. Otherwise it might collect the objects which represent the callbacks. This can lead to hard to debug issues where the memory location of the callback gets overwritten by something else and the Python interpreter printing warnings like "can not call float object".

changed milestone to %v1.15

Looks good to me! Thanks for keeping our codebase clean.

However, I'm only a bot - so a human will still have to approve this request.

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• 314a22e5 - fix(interrupts): Add the callbacks to the list of root pointers

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• 6eb4c7ab - fix(mpconfig): Remove hard coded value for interrupt numbers

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• 2afaf931 - fix(mpconfig): Remove hard coded value for interrupt numbers

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merged

mentioned in commit bfbc4215