ci: Update Debian from Bullseye to Bookworm

[upbqdn]

Motivation

Close #8272. I think now is a good time to update Debian to Bookworm since it's causing issues with the current development instead of coming up with workarounds for Bullseye.

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Specifications

• Debian Bookworm contains the package protobuf-compiler with Protocol Buffers v3.21: https://packages.debian.org/bookworm/protobuf-compiler, which supports optional fields in type definitions.

Solution

• Replace all occurrences of bullseye or Bullseye with bookworm or Bookworm.

Testing

Let's see if anything breaks in the CI.

Reviewer Checklist

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• Does the PR scope match the ticket?
• Are there enough tests to make sure it works? Do the tests cover the PR motivation?
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[arya2]

Looks good!

[oxarbitrage]

Sorry to be late, i think this change is ok but leaving the optional as it is will break the build in a lot of linux distributions.

For example i use Linux Mint 21.2 Cinnamon which is not that old and it is shipped with ibprotoc 3.12.4.

Upgrading does not seems to be that straightforward, i think we should use the alternative way to write the optionals as @arya2 suggested.

[upbqdn]

Ah, so I guess you can't compile Zebra now? Do you mean upgrading to Linux Mint 21.3 Virginia?

[oxarbitrage]

I mean upgrading protoc alone. But still, i don't think we should force a version that current supported OSes do not have. I have the impression some users will give up right away if they have to upgrade their systems or the library.

In the other hand i think making the change to Bookworm for the CI as done in this PR is ok.

[oxarbitrage]

I opened an issue for this at #8278