chore(deps): update dependency bazel_skylib to v1.7.0 (#714)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [bazel_skylib](https://togithub.com/bazelbuild/bazel-skylib) |
http_archive | minor | `1.6.1` -> `1.7.0` |

---

### Release Notes

<details>
<summary>bazelbuild/bazel-skylib (bazel_skylib)</summary>

###
[`v1.7.0`](https://togithub.com/bazelbuild/bazel-skylib/blob/HEAD/CHANGELOG.md#Release-170)

[Compare
Source](https://togithub.com/bazelbuild/bazel-skylib/compare/1.6.1...1.7.0)

**New features**

- Implement `directory` rules by
[@&#8203;matts1](https://togithub.com/matts1) in
[bazelbuild/bazel-skylib#510
- Add `is_normalized` and `starts_with` to paths module by
[@&#8203;comius](https://togithub.com/comius) in
[bazelbuild/bazel-skylib#514

**New Contributors**

- [@&#8203;matts1](https://togithub.com/matts1) made their first
contribution in
[bazelbuild/bazel-skylib#510

**Full Changelog**:
bazelbuild/bazel-skylib@1.6.1...1.7.0

</details>

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bazel/repositories.bzl

@@ -128,10 +128,10 @@ def _bazel_skylib():
     maybe(
         http_archive,
         name = "bazel_skylib",
-        sha256 = "9f38886a40548c6e96c106b752f242130ee11aaa068a56ba7e56f4511f33e4f2",
+        sha256 = "d00f1389ee20b60018e92644e0948e16e350a7707219e7a390fb0a99b6ec9262",
         urls = [
-            "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.6.1/bazel-skylib-1.6.1.tar.gz",
-            "https://github.com/bazelbuild/bazel-skylib/releases/download/1.6.1/bazel-skylib-1.6.1.tar.gz",
+            "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.7.0/bazel-skylib-1.7.0.tar.gz",
+            "https://github.com/bazelbuild/bazel-skylib/releases/download/1.7.0/bazel-skylib-1.7.0.tar.gz",
         ],
     )