add telemetry stuff for conda-cpp-build workflow

[msarahan]

This is being tested in:

• cudf: add telemetry setup to test cudf#16924

When complete, this PR should add instrumentation to at least one workflow. More workflows can be adapted later once this is proven.

This is a draft PR until it is proven to be in working order. For cleanup, we'll also need to:

• remove the gha-tools stuff that is pulling from my personal fork, and merge Add otel wrapper gha-tools#118 so the telemetry stuff is baked into ci-imgs.
• Move the OpenTelemetry install steps here into ci-imgs