Update bazel version to 6.1.0.

.bazelversion

@@ -1 +1 @@
-4.0.0
+6.1.0

WORKSPACE

@@ -15,6 +15,8 @@
 ################################################################################
 #
 
+workspace(name = "grpc-httpjson-transcoding")
+
 load(
     "//:repositories.bzl",
     "absl_repositories",

bazel/external/BUILD

@@ -0,0 +1,15 @@
+# Copyright 2024 Google Inc. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+

bazel/external/googletest.patch

@@ -0,0 +1,13 @@
+diff --git a/BUILD.bazel b/BUILD.bazel
+index 8099642a85..3598661079 100644
+--- a/BUILD.bazel
++++ b/BUILD.bazel
+@@ -40,7 +40,7 @@ exports_files(["LICENSE"])
+
+ config_setting(
+     name = "windows",
+-    constraint_values = ["@bazel_tools//platforms:windows"],
++    constraint_values = ["@platforms//os:windows"],
+ )
+
+ config_setting(

repositories.bzl

@@ -112,6 +112,8 @@ def googletest_repositories(bind = True):
         strip_prefix = "googletest-" + GOOGLETEST_COMMIT,
         url = "https://github.com/google/googletest/archive/" + GOOGLETEST_COMMIT + ".tar.gz",
         sha256 = GOOGLETEST_SHA256,
+        patches = ["@grpc-httpjson-transcoding//bazel/external:googletest.patch"],
+        patch_args = ["-p1"],
     )
 
 GOOGLEAPIS_COMMIT = "1d5522ad1056f16a6d593b8f3038d831e64daeea"  # Sept 03, 2020