chore(deps): update dependency bazel to v7.3.0 (#351)

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

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [bazel](https://togithub.com/bazelbuild/bazel) | minor | `7.2.1` ->
`7.3.0` |

---

### Release Notes

<details>
<summary>bazelbuild/bazel (bazel)</summary>

###
[`v7.3.0`](https://togithub.com/bazelbuild/bazel/blob/HEAD/CHANGELOG.md#Release-730-2024-08-12)

[Compare
Source](https://togithub.com/bazelbuild/bazel/compare/7.2.1...7.3.0)

```

Release Notes:

```

</details>

---

### 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://www.mend.io/free-developer-tools/renovate/). View the
[repository job
log](https://developer.mend.io/github/bazel-contrib/rules_bazel_integration_test).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC4yMC4xIiwidXBkYXRlZEluVmVyIjoiMzguMjAuMSIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOltdfQ==-->

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

.bazelversion

@@ -1 +1 @@
-7.2.1
+7.3.0

examples/custom_test_runner/.bazelversion

@@ -1 +1 @@
-7.2.1
+7.3.0