chore(deps): update dependency google.protobuf to v3.21.9 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
Google.Protobuf	nuget	patch	3.21.7 -> 3.21.9

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Release Notes

protocolbuffers/protobuf

### [`v3.21.8`](https://togithub.com/protocolbuffers/protobuf/compare/v3.21.7...v3.21.8)

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Configuration

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