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Martin Atkins 5a120bf9b8 go.mod: Upgrade protobuf and grpc libraries
This is a routine upgrade. OpenTofu directly uses these libraries as part
of implementing the provider plugin protocol, but they are also used
indirectly by the libraries we use to interact with OpenTelemetry
collectors and some Google APIs and so the impact of upgrading these is
always quite tricky to evaluate.

However, I've reviewed the changes between these releases and it seems like
there are no behavior changes that would be significant for the use-cases
OpenTofu cares about. The gRPC library in particular has had a lot of
commits since we last upgraded it, but many of them are performance
improvements in the implementation details rather than significant behavior
changes.

This also includes the result of running "make protobuf" with the updated
version of the protobuf code generator, which for this release has merely
changed the version number recorded in the comments.

Signed-off-by: Martin Atkins <mart@degeneration.co.uk>
2026-03-19 11:21:15 -07:00
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