On /status page, need to update Tracing Collector status from Experiment to Stable

[horovits]

What needs to be changed?
On opentelemetry.io/status/ page, need to update Tracing Collector status from Experiment to Stable

What is the name + path of the page that needs changed?
https://opentelemetry.io/status/
https://github.com/open-telemetry/opentelemetry.io/blob/main/content/en/status/_index.md

Additional context
to align with the achieved maturity status

[chalin]

@tedsuo - can you comment?

[chalin]

@horovits - Where are you seeing the updated tracing collector status from?

[austinlparker]

I believe the collector is tracing stable (https://medium.com/opentelemetry/opentelemetry-collector-achieves-tracing-stability-milestone-80e34cadbbf5), although the fact that the collector is versioned as a single binary makes it a bit confusing.