chore(deps): update dependency protocolbuffers/protobuf to v25.3

[renovate]

This PR contains the following updates:

Package	Update	Change
protocolbuffers/protobuf	minor	25.2 -> 25.3

---

Release Notes

protocolbuffers/protobuf (protocolbuffers/protobuf)

v25.3: Protocol Buffers v25.3

Compare Source

Announcements

• Protobuf News may include additional announcements or pre-announcements for upcoming changes.

Apple Privacy Manifest Requirement

• [CPP] Add the privacy manifest to the C++ CocoaPod. (protocolbuffers/protobuf@9d1bc10)
• [ObjC] Add the privacy manifest to the ObjC CocoaPod. (protocolbuffers/protobuf@cec08dc)
• Add PrivacyInfo.xcprivacy (#​15557) (protocolbuffers/protobuf@cf87faa)

C++

• Remove use of mach_absolute_time (#​15554) (protocolbuffers/protobuf@76d05d4)

Objective-C

• [ObjC] Use a local to avoid warnings in 32bit builds. (protocolbuffers/protobuf@9dc736d)

Python

• Bump python version to 3.9 for gcloud 460.0.0 (protocolbuffers/protobuf@17ec19d)

Ruby

• Update Ruby GHA to test against Ruby 3.3. (protocolbuffers/protobuf@25b1e81)
• Pin bundler version to 2.4.22 for Ruby 2.7 support. (protocolbuffers/protobuf@80b4586)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.