raise protobuf dep for workspace

Author: rickeylev

python/private/py_repositories.bzl

@@ -63,8 +63,8 @@ def py_repositories():
     # Needed by rules_cc, triggerred by @rules_java_prebuilt in Bazel by using @rules_cc//cc:defs.bzl
     http_archive(
         name = "protobuf",
-        sha256 = "da288bf1daa6c04d03a9051781caa52aceb9163586bff9aa6cfb12f69b9395aa",
-        strip_prefix = "protobuf-27.0",
-        url = "https://github.com/protocolbuffers/protobuf/releases/download/v27.0/protobuf-27.0.tar.gz",
+        sha256 = "ce5d00b78450a0ca400bf360ac00c0d599cc225f049d986a27e9a4e396c5a84a",
+        strip_prefix = "protobuf-29.0-rc2",
+        url = "https://github.com/protocolbuffers/protobuf/releases/download/v29.0-rc2/protobuf-29.0-rc2.tar.gz",
     )
     pypi_deps()