build(deps): bump protobuf in the dependencies group

Bumps the dependencies group with 1 update: [protobuf](https://github.com/protocolbuffers/protobuf).


Updates `protobuf` from 5.26.1 to 5.27.0
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v5.26.1...v5.27.0)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
...

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

pyproject.toml

@@ -46,7 +46,7 @@ ctranslate2 = "^4.3.0"
 transformers = "^4.41.1"
 sentencepiece = "^0.2.0"
 sentence-transformers = "^2.7.0"
-protobuf = "^5.26.1"
+protobuf = "^5.27.0"
 pymupdf = "^1.24.4"
 redis = "^5.0.4"
 hiredis = "^2.3.2"