Update dependency bazel_skylib to v1.7.0 (#335)

[![Mend
Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| bazel_skylib | bazel_dep | minor | `1.6.1` -> `1.7.0` |
| [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
[https://github.com/bazelbuild/bazel-skylib/pull/510](https://togithub.com/bazelbuild/bazel-skylib/pull/510)
- Add `is_normalized` and `starts_with` to paths module by
[@&#8203;comius](https://togithub.com/comius) in
[https://github.com/bazelbuild/bazel-skylib/pull/514](https://togithub.com/bazelbuild/bazel-skylib/pull/514)

**New Contributors**

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

**Full Changelog**:
https://github.com/bazelbuild/bazel-skylib/compare/1.6.1...1.7.0

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about these
updates again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Mend
Renovate](https://www.mend.io/free-developer-tools/renovate/). View
repository job log
[here](https://developer.mend.io/github/bazel-contrib/toolchains_llvm).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4zNzcuOCIsInVwZGF0ZWRJblZlciI6IjM3LjM3Ny44IiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbXX0=-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

tests/MODULE.bazel

@@ -20,7 +20,7 @@ local_path_override(
     path = "..",
 )
 
-bazel_dep(name = "bazel_skylib", version = "1.6.1")
+bazel_dep(name = "bazel_skylib", version = "1.7.0")
 bazel_dep(name = "platforms", version = "0.0.10")
 bazel_dep(name = "rules_cc", version = "0.0.9")
 bazel_dep(name = "rules_go", version = "0.48.0", repo_name = "io_bazel_rules_go")

toolchain/deps.bzl

@@ -29,10 +29,10 @@ def bazel_toolchain_dependencies():
         http_archive(
             name = "bazel_skylib",
             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",
             ],
-            sha256 = "9f38886a40548c6e96c106b752f242130ee11aaa068a56ba7e56f4511f33e4f2",
+            sha256 = "d00f1389ee20b60018e92644e0948e16e350a7707219e7a390fb0a99b6ec9262",
         )
 
         # Skip bazel_skylib_workspace because we are not using lib/unittest.bzl