chore: mirror protobuf 4.29.5 release

[patricearruda84]

protobuf 4.29.5 was released on May 28, 2025.

Changes are visible to end-users: yes/no

• Searched for relevant documentation and updated as needed: yes
• Breaking change (forces users to change their own code or config): no
• Suggested release notes appear below: yes/no

Test plan

• Manual testing: Ran the changes to a MongoDB repository that used protoc 29.5.

[CLAassistant]

All committers have signed the CLA.

[alexeagle]

Thanks!