Add reproducible metadata support for extension dependencies

Signed-off-by: Matthieu MOREL <matthieu.morel35@gmail.com>

Author: mmorel-35

MODULE.bazel.lock

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@bazel_features//:features.bzl", "bazel_features")
 load("@proxy_wasm_rust_sdk//bazel/cargo/remote:crates.bzl", "crate_repositories")
 
 def _crates_deps_impl(module_ctx):
@@ -20,10 +21,15 @@ def _crates_deps_impl(module_ctx):
         if not repo.is_dev_dep:
             deps.append(repo.repo)
 
-    return module_ctx.extension_metadata(
-        root_module_direct_deps = deps,
-        root_module_direct_dev_deps = [],
-    )
+    metadata_kwargs = {
+        "root_module_direct_deps": deps,
+        "root_module_direct_dev_deps": [],
+    }
+
+    if bazel_features.external_deps.extension_metadata_has_reproducible:
+        metadata_kwargs["reproducible"] = True
+
+    return module_ctx.extension_metadata(**metadata_kwargs)
 
 crates_deps = module_extension(
     doc = "Dependencies for the Proxy-Wasm Rust SDK.",