* feat: add interface for opamp.AgentConfigProvider
* feat: add iface and plumbing for generating recommended conf in opamp/agent
* feat: get opamp server config provider tests started
* chore: add test scenario for agent connection without a config recommendation
* chore: add test scenario for agent connection with a config recommendation
* chore: add test for validating config deployment status gets reported
* chore: add test for rolling out latest config recommendations when config changes
* chore: wrap up opamp server lifecycle tests
* chore: some tests cleanup
* chore: get all tests passing
* chore: update opamp server init logic in ee query service
* chore: some cleanup
* chore: some final cleanup
