Bump protobuf from 3.19.4 to 4.25.8

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 3.19.4 to 4.25.8.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v3.19.4...v4.25.8)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-version: 4.25.8
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -11,7 +11,7 @@ numpy==2.3.2; python_version >= '3.11'
 numpy==2.2.6; python_version == '3.10'
 numpy==2.0.2; python_version == '3.9'
 pillow==11.3.0
-protobuf==3.19.4
+protobuf==4.25.8
 pyopengl==3.1.10
 pyparsing==3.2.3
 pytest==8.4.1