add bazel_features to py_repositories

Author: mark-thm

python/private/py_repositories.bzl

@@ -65,4 +65,10 @@ def py_repositories():
         strip_prefix = "protobuf-27.0",
         url = "https://github.com/protocolbuffers/protobuf/releases/download/v27.0/protobuf-27.0.tar.gz",
     )
+    http_archive(
+        name = "bazel_features",
+        sha256 = "c2596994cf63513bd44180411a4ac3ae95d32bf59148fcb6087a4642b3ffef11",
+        strip_prefix = "bazel_features-1.20.0",
+        url = "https://github.com/bazel-contrib/bazel_features/releases/download/v1.20.0/bazel_features-v1.20.0.tar.gz",
+    )
     pypi_deps()