Upgrade obs-store and fix memory leaks #5228
Merged
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This PR discovers and addresses two event emitter memory leaks:
The memory usage before fixing these was not as high as the original issue stated but when I analyzed the heap dumps periodically, there were many objects not being garbage collected (old event emitters). And, I was not able to run the tests for very long but I do see a reduction in the live javascript memory and it's staying consistently low over time.
This fixes #4074