chore(deps): update dependency bazel_features to v1.38.0 (#589)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[bazel_features](https://redirect.github.com/bazel-contrib/bazel_features)
| http_archive | minor | `v1.37.0` -> `v1.38.0` |

---

### Release Notes

<details>
<summary>bazel-contrib/bazel_features (bazel_features)</summary>

###
[`v1.38.0`](https://redirect.github.com/bazel-contrib/bazel_features/releases/tag/v1.38.0)

[Compare
Source](https://redirect.github.com/bazel-contrib/bazel_features/compare/v1.37.0...v1.38.0)

#### Using Bzlmod with Bazel 6

1. Enable with `common --enable_bzlmod` in `.bazelrc`.
2. Add to your `MODULE.bazel` file:

```starlark
bazel_dep(name = "bazel_features", version = "1.38.0")
```

#### Using WORKSPACE

Paste this snippet into your  file:

```starlark
load("@&#8203;bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
http_archive(
    name = "bazel_features",
    sha256 = "07271d0f6b12633777b69020c4cb1eb67b1939c0cf84bb3944dc85cc250c0c01",
    strip_prefix = "bazel_features-1.38.0",
    url = "https://github.com/bazel-contrib/bazel_features/releases/download/v1.38.0/bazel_features-v1.38.0.tar.gz",
)
load("@&#8203;bazel_features//:deps.bzl", "bazel_features_deps")
bazel_features_deps()
```

#### What's Changed

- Add 'merkle\_cache\_v2' feature by
[@&#8203;dzbarsky](https://redirect.github.com/dzbarsky) in
[#&#8203;118](https://redirect.github.com/bazel-contrib/bazel_features/pull/118)

**Full Changelog**:
<bazel-contrib/bazel_features@v1.37.0...v1.38.0>

</details>

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toolchain/deps.bzl

@@ -39,9 +39,9 @@ def bazel_toolchain_dependencies():
     if not native.existing_rule("bazel_features"):
         http_archive(
             name = "bazel_features",
-            sha256 = "adc8ddf121917f197f75c5245dfa8d7b1619f10a1002e25062b093b7957f2798",
-            strip_prefix = "bazel_features-1.37.0",
-            url = "https://github.com/bazel-contrib/bazel_features/releases/download/v1.37.0/bazel_features-v1.37.0.tar.gz",
+            sha256 = "07271d0f6b12633777b69020c4cb1eb67b1939c0cf84bb3944dc85cc250c0c01",
+            strip_prefix = "bazel_features-1.38.0",
+            url = "https://github.com/bazel-contrib/bazel_features/releases/download/v1.38.0/bazel_features-v1.38.0.tar.gz",
         )
 
     # Load helly25_bzl for version comparisons.