fix(deps): update dependency protobuf to v6

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
protobuf	>=3.19.1,<6 → >=6.33.5,<7

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[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
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The artifact failure details are included below:

File name: poetry.lock

Updating dependencies
Resolving dependencies...


The current project's supported Python range (>=3.8,<4.0) is not compatible with some of the required packages Python requirement:
  - protobuf requires Python >=3.9, so it will not be satisfied for Python >=3.8,<3.9

Because no versions of protobuf match >6.33.5,<7
 and protobuf (6.33.5) requires Python >=3.9, protobuf is forbidden.
So, because protoletariat depends on protobuf (>=6.33.5,<7), version solving failed.

  • Check your dependencies Python requirement: The Python requirement can be specified via the `python` or `markers` properties
    
    For protobuf, a possible solution would be to set the `python` property to ">=3.9,<4.0"

    https://python-poetry.org/docs/dependency-specification/#python-restricted-dependencies,
    https://python-poetry.org/docs/dependency-specification/#using-environment-markers