Patch grpc for Windows (ray-project#6282)

bazel/ray_deps_setup.bzl

@@ -191,6 +191,7 @@ def ray_deps_setup():
  remote = "https://github.com/grpc/grpc",
  sha256 = "723853c36ea6d179d32a4f9f2f8691dbe0e28d5bbc521c954b34355a1c952ba5",
  patches = [
+ "//thirdparty/patches:grpc-command-quoting.patch",
  "//thirdparty/patches:grpc-cython-copts.patch",
  ],
  )

thirdparty/patches/grpc-command-quoting.patch

@@ -0,0 +1,14 @@
+diff --git third_party/py/python_configure.bzl third_party/py/python_configure.bzl
+index 2cb84077e5..e733b9204e 100644
+--- third_party/py/python_configure.bzl
++++ third_party/py/python_configure.bzl
+@@ -190,7 +190,7 @@ def _get_python_lib(repository_ctx, python_bin, lib_path_key):
+ "for path in all_paths:\n" + " if os.path.isdir(path):\n" +
+ " paths.append(path)\n" + "if len(paths) >=1:\n" +
+ " print(paths[0])\n" + "END")
+- cmd = '%s - %s' % (python_bin, print_lib)
++ cmd = '"%s" - %s' % (python_bin, print_lib)
+ result = repository_ctx.execute([_get_bash_bin(repository_ctx), "-c", cmd])
+ return result.stdout.strip('\n')
+
+--