protobuf: update checksum

[daeho-ro]

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• Checksum change of the v33.0 tarball protocolbuffers/protobuf#24039

[Copilot]

Pull Request Overview

This PR updates the SHA256 checksum for the protobuf formula version 33.0. The checksum is being corrected to match the actual file hash of the release tarball.

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[chenrui333]

regression tests for dependents look good.

[github-actions]

@chenrui333 has requested bottles to be published to this PR.

Caution

Please do not push to this PR branch before the bottle commits have been pushed, as this results in a state that is difficult to recover from. If you need to resolve a merge conflict, please use a merge commit. Do not force-push to this PR branch.