Test --incompatible_auto_exec_groups and update protobuf

.bazelrc

@@ -36,7 +36,8 @@ build:incompatible --incompatible_disallow_empty_glob
 build:incompatible --incompatible_disable_starlark_host_transitions
 build:incompatible --nolegacy_external_runfiles
 build:incompatible --incompatible_enable_proto_toolchain_resolution
+build:incompatible --incompatible_auto_exec_groups
 # Also enable all incompatible flags in go_bazel_test by default.
 # TODO: Add --incompatible_disallow_empty_glob once
 # https://github.com/bazelbuild/bazel-gazelle/pull/1405 has been released.
-test:incompatible --test_env=GO_BAZEL_TEST_BAZELFLAGS='--incompatible_load_proto_rules_from_bzl --incompatible_enable_cc_toolchain_resolution --incompatible_config_setting_private_default_visibility --incompatible_enforce_config_setting_visibility --incompatible_disable_starlark_host_transitions --nolegacy_external_runfiles --incompatible_enable_proto_toolchain_resolution'
+test:incompatible --test_env=GO_BAZEL_TEST_BAZELFLAGS='--incompatible_load_proto_rules_from_bzl --incompatible_enable_cc_toolchain_resolution --incompatible_config_setting_private_default_visibility --incompatible_enforce_config_setting_visibility --incompatible_disable_starlark_host_transitions --nolegacy_external_runfiles --incompatible_enable_proto_toolchain_resolution --incompatible_auto_exec_groups'

MODULE.bazel

@@ -12,7 +12,7 @@ bazel_dep(name = "bazel_features", version = "1.9.1", repo_name = "io_bazel_rule
 bazel_dep(name = "bazel_skylib", version = "1.2.0")
 bazel_dep(name = "platforms", version = "0.0.10")
 bazel_dep(name = "rules_proto", version = "6.0.0")
-bazel_dep(name = "protobuf", version = "3.19.2", repo_name = "com_google_protobuf")
+bazel_dep(name = "protobuf", version = "27.0", repo_name = "com_google_protobuf")
 
 go_sdk = use_extension("//go:extensions.bzl", "go_sdk")
 go_sdk.download(

WORKSPACE

@@ -58,14 +58,25 @@ protoc_toolchains(
     version = "v25.3",
 )
 
+# An up-to-date version is required by com_google_protobuf 27.0 below.
+http_archive(
+    name = "rules_python",
+    sha256 = "ca77768989a7f311186a29747e3e95c936a41dffac779aff6b443db22290d913",
+    strip_prefix = "rules_python-0.36.0",
+    url = "https://github.com/bazelbuild/rules_python/releases/download/0.36.0/rules_python-0.36.0.tar.gz",
+)
+
+load("@rules_python//python:repositories.bzl", "py_repositories")
+
+py_repositories()
+
 http_archive(
     name = "com_google_protobuf",
-    sha256 = "75be42bd736f4df6d702a0e4e4d30de9ee40eac024c4b845d17ae4cc831fe4ae",
-    strip_prefix = "protobuf-21.7",
-    # latest available in BCR, as of 2022-09-30
+    integrity = "sha256-2iiL8dqmwE0DqQUXgcqlKs65FjWGv/mqbPsS9puTlao=",
+    strip_prefix = "protobuf-27.0",
     urls = [
-        "https://github.com/protocolbuffers/protobuf/archive/v21.7.tar.gz",
-        "https://mirror.bazel.build/github.com/protocolbuffers/protobuf/archive/v21.7.tar.gz",
+        "https://github.com/protocolbuffers/protobuf/archive/v27.0.tar.gz",
+        "https://mirror.bazel.build/github.com/protocolbuffers/protobuf/archive/v27.0.tar.gz",
     ],
 )