Rebuild citadel bottles for protobuf 28.2

[scpeters]

Part of #2791.

Created using:

for f in $(.github/ci/unbottled_dependencies.sh gz-citadel)
do
    brew bump-revision --message="rebuild for protobuf" $f
done

[scpeters]

build bottle

[scpeters]

build bottle

[scpeters]

gz-gui3 failed to build on sonoma; I'm going to redact that before merging and follow up in a separate pull request

[scpeters]

actually, never mind, we can fix the failed bottles later