asdf-otelcol plugin for asdf version manager

[ChristianCiach]

Shameless plug: I've created a plugin for the asdf version manager:

• https://github.com/ChristianCiach/asdf-otelcol

I prefer to manage my local tools using asdf. I couldn't find an existing plugin for otelcol, so I've created my own.

[dmathieu]

You may want to add that to the registry.
https://opentelemetry.io/ecosystem/registry/