…#1684) ### Why? Tracing is very useful for debugging, outgoing calls, and debuginfo facilities. So, I'm adding these. references #1663 #1674 ### What?   ### <samp>🤖 Generated by Copilot at 1f26801</samp> This pull request adds OpenTelemetry tracing support to the parca-agent, using the OTLP exporter and the parcagrpc package. It also refactors some of the gRPC and debuginfo logic, and provides scripts and documentation for local development and testing with an observability stack. ### How? 1. Add a docker-compose file for external dependecies 2. Add additional scripts for tracing, remote and observable cluster 3. Add spans into the code 4. Add client-side instrumentation code for grpc and http ### Test Plan ![CleanShot 2023-05-24 at 09 57 36](https://github.com/parca-dev/parca-agent/assets/536449/f7ff592c-026a-4537-8915-2a5f29c5f01c) ![CleanShot 2023-05-24 at 09 56 33](https://github.com/parca-dev/parca-agent/assets/536449/489bf41c-06b6-40e5-a69e-a504c09cf62f) ![CleanShot 2023-05-26 at 20 16 45](https://github.com/parca-dev/parca-agent/assets/536449/a9439d39-e517-4387-9e83-bd4d26cdf126) ![CleanShot 2023-05-26 at 20 16 25](https://github.com/parca-dev/parca-agent/assets/536449/f205680a-2acd-4a9c-b003-eb7360f89b6a)  ### <samp>🤖 Generated by Copilot at 1f26801</samp> > _Sing, O Muse, of the valiant parca-agent, who traced his deeds_ > _With the shining gift of OpenTelemetry, the wise and subtle art_ > _That Hermes taught to mortals, to reveal the hidden paths_ > _Of gRPC and debuginfo, the swift and cunning codecs._

local-test/debugging: Add and configure Jaeger to local cluster setup for testing/debugging #1663

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