Update dependency protocolbuffers/protobuf to v31.1

[sszynrae]

This PR contains the following updates:

Package	Update	Change
protocolbuffers/protobuf	minor	v31.0 -> v31.1

---

Release Notes

protocolbuffers/protobuf (protocolbuffers/protobuf)

v31.1: Protocol Buffers v31.1

Compare Source

Announcements

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

Compiler

• Support allowing late injection of language feature set defaults from FeatureSet extensions while getting feature set extension values. (protocolbuffers/protobuf@3419598)

C++

• Support allowing late injection of language feature set defaults from FeatureSet extensions while getting feature set extension values. (protocolbuffers/protobuf@3419598)

Java

• Add missing copts attribute (#​21982) (protocolbuffers/protobuf@bec5b5a)
• Support allowing late injection of language feature set defaults from FeatureSet extensions while getting feature set extension values. (protocolbuffers/protobuf@3419598)

Python

• Support allowing late injection of language feature set defaults from FeatureSet extensions while getting feature set extension values. (protocolbuffers/protobuf@3419598)
• Python pyi print "import datetime" for Duration/Timestamp field (#​21885) (protocolbuffers/protobuf@0fe099a)
• Add recursion depth limits to pure python (protocolbuffers/protobuf@a3921fb)

Other

• Fix cmake staleness test (protocolbuffers/protobuf@96a9ef6)

---

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

---

PR generated by Renovate Bot running in @clux's homelab.