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Description
Warning filters were being reset, resulting in warnings suddenly popping up in unrelated spots due to instrumenting with OTel.
Fixes based on https://docs.python.org/3/library/warnings.html#temporarily-suppressing-warnings although there it is noted that this is not threadsafe. I haven't been able to make sure if this is an issue yet. @ocelotl was this the reason you used a different approach? In my opinion this non-thread safe approach makes more sense than just throwing away all filters.
Fixes #3102
Type of change
How Has This Been Tested?
Does This PR Require a Contrib Repo Change?
Checklist: