allow instrumentation sigterm in archive node #16372
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Add flag to support sigterm command from bisect ppx. This is required to generate coverage on sigterm command when using instrumented archive. See details here:
https://github.com/aantron/bisect_ppx/blob/master/doc/advanced.md#sigterm-handling
Main problem is that we need to fetch instrumentation from running archive node. Usually when we stop process it won't generate coverage files unless process support 'coverage' sigterm