Make ALL_MODULES env var confugurable (#6626)
Make ALL_MODULES env var confugurable (#6626)

Having a way to override ALL_MODULES env var helps a lot in case when you want to run specific make targets on some set of modules and save time when running it against all modules is unnecessary
open-telemetry/opentelemetry-collector-contrib,open-telemetry/opentelemetry-collector-contrib