allow empty dll glob

Author: rickeylev

python/private/hermetic_runtime_repo_setup.bzl

@@ -242,7 +242,10 @@ def define_hermetic_runtime_toolchain_impl(
         }),
         # On Windows, a symlink-style venv requires supporting .dll files.
         venv_bin_files = select({
-            "@platforms//os:windows": native.glob(include=["*.dll", "*.pdb"]),
+            "@platforms//os:windows": native.glob(
+                include=["*.dll", "*.pdb"],
+                allow_empty=True,
+            ),
             "//conditions:default": [],
         })
     )