Remove struct provider from generate_cc.bzl

third_party/grpc/bazel/generate_cc.bzl

diff --git a/third_party/grpc/bazel/generate_cc.bzl b/third_party/grpc/bazel/generate_cc.bzl
index 3a0df04..d829097 100644
--- a/third_party/grpc/bazel/generate_cc.bzl
+++ b/third_party/grpc/bazel/generate_cc.bzl
@@ -141,7 +141,7 @@
         use_default_shell_env = True,
     )
 
-    return struct(files = depset(out_files))
+    return DefaultInfo(files = depset(out_files))
 
 generate_cc = rule(
     attrs = {