chore(deps): update dependency build_bazel_rules_swift to v1.16.0 (#902)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [build_bazel_rules_swift](https://togithub.com/bazelbuild/rules_swift)
| http_archive | minor | `1.15.1` -> `1.16.0` |

---

### Release Notes

<details>
<summary>bazelbuild/rules_swift (build_bazel_rules_swift)</summary>

###
[`v1.16.0`](https://togithub.com/bazelbuild/rules_swift/releases/tag/1.16.0)

[Compare
Source](https://togithub.com/bazelbuild/rules_swift/compare/1.15.1...1.16.0)

##### What's Changed

-   Add the `swift_library_group` rule
- Add the `always_include_developer_search_paths` attribute to
`swift_library`

This release is compatible with 6.x LTS, 7.x LTS, and bazel 8.x rolling
releases

##### MODULE.bazel Snippet

```bzl
bazel_dep(name = "rules_swift", version = "1.16.0", repo_name = "build_bazel_rules_swift")
```

##### Workspace Snippet

```bzl
load("@&#8203;bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")

http_archive(
    name = "build_bazel_rules_swift",
    sha256 = "7aabe3bbef8d2e07c9ee07acb386f0a257bd2f76ea8e21005688b506dc8da67b",
    url = "https://github.com/bazelbuild/rules_swift/releases/download/1.16.0/rules_swift.1.16.0.tar.gz",
)

load(
    "@&#8203;build_bazel_rules_swift//swift:repositories.bzl",
    "swift_rules_dependencies",
)

swift_rules_dependencies()

load(
    "@&#8203;build_bazel_rules_swift//swift:extras.bzl",
    "swift_rules_extra_dependencies",
)

swift_rules_extra_dependencies()
```

</details>

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examples/http_archive_ext_deps/WORKSPACE

@@ -48,8 +48,8 @@ gazelle_dependencies()
 
 http_archive(
     name = "build_bazel_rules_swift",
-    sha256 = "e2eee463839483dfe1b05ce406a4f2fb3fd748ddcaa311cc8768fa7f041af0ff",
-    url = "https://github.com/bazelbuild/rules_swift/releases/download/1.15.1/rules_swift.1.15.1.tar.gz",
+    sha256 = "7aabe3bbef8d2e07c9ee07acb386f0a257bd2f76ea8e21005688b506dc8da67b",
+    url = "https://github.com/bazelbuild/rules_swift/releases/download/1.16.0/rules_swift.1.16.0.tar.gz",
 )
 
 load(

examples/vapor_example/MODULE.bazel.lock

@@ -48,8 +48,8 @@ gazelle_dependencies()
 
 http_archive(
     name = "build_bazel_rules_swift",
-    sha256 = "e2eee463839483dfe1b05ce406a4f2fb3fd748ddcaa311cc8768fa7f041af0ff",
-    url = "https://github.com/bazelbuild/rules_swift/releases/download/1.15.1/rules_swift.1.15.1.tar.gz",
+    sha256 = "7aabe3bbef8d2e07c9ee07acb386f0a257bd2f76ea8e21005688b506dc8da67b",
+    url = "https://github.com/bazelbuild/rules_swift/releases/download/1.16.0/rules_swift.1.16.0.tar.gz",
 )
 
 load(