opentelemetry-opamp-client: move to protobuf-py

[xrmx]

Description

This is a draft PR as an experiment to test the move of the opamp client from protobuf to protobuf-py. This can be useful as a testbed for other protobuf users like the exporters.

Assisted-by: Cursor

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Test A

Does This PR Require a Core Repo Change?

• Yes. - Link to PR:
• No.

Checklist:

See contributing.md for styleguide, changelog guidelines, and more.

• Followed the style guidelines of this project
• Changelogs have been updated
• Unit tests have been added
• Documentation has been updated

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Pull request dashboard status

Waiting on the author · refreshed 2026-09-02 21:26 UTC

Move out of draft to request review.

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