[receiver/googlecloudpubsub] Add profiles support

[alexvanboxel]

Component(s)

receiver/googlecloudpubsub

Is your feature request related to a problem? Please describe.

The Google PubSub receiver/exporter currently only supports the log, metrics, and traces signals. The profiles signal is a new signal that is missing.

Describe the solution you'd like

Add support for profiles to the Google PubSub receiver/exporter.

Describe alternatives you've considered

No response

Additional context

I'm the codeowner and plan to add support for profiles.

[github-actions]

Pinging code owners:

• receiver/googlecloudpubsub: @alexvanboxel

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[alexvanboxel]

Ping, receiver: I'm the codeowner and will contribute the code (reserving a ticket number for the commit)