chore(deps): update dependency rules_swift to v2.4.0 (#435)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| rules_swift | bazel_dep | minor | `2.3.1` -> `2.4.0` |

---

### Configuration

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

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
rebase/retry checkbox.

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

---

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

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/bazel-contrib/rules_bazel_integration_test).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS4xMDcuMCIsInVwZGF0ZWRJblZlciI6IjM5LjEwNy4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6W119-->

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

examples/custom_test_runner/MODULE.bazel

@@ -23,7 +23,7 @@ bazel_dep(
 )
 bazel_dep(
     name = "rules_swift",
-    version = "2.3.1",
+    version = "2.4.0",
     repo_name = "build_bazel_rules_swift",
 )
 bazel_dep(name = "rules_swift_package_manager", version = "0.44.0")