Update dependency bazel to v9.1.1 (#140)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [bazel](https://redirect.github.com/bazelbuild/bazel) | minor |
`9.0.1` → `9.1.1` |

---

### Release Notes

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

###
[`v9.1.1`](https://redirect.github.com/bazelbuild/bazel/blob/HEAD/CHANGELOG.md#Release-911-2026-06-03)

[Compare
Source](https://redirect.github.com/bazelbuild/bazel/compare/9.1.0...9.1.1)

```

Release Notes:

```

###
[`v9.1.0`](https://redirect.github.com/bazelbuild/bazel/blob/HEAD/CHANGELOG.md#Release-910-2026-04-20)

[Compare
Source](https://redirect.github.com/bazelbuild/bazel/compare/9.0.2...9.1.0)

```

Release Notes:

```

###
[`v9.0.2`](https://redirect.github.com/bazelbuild/bazel/blob/HEAD/CHANGELOG.md#Release-902-2026-04-09)

[Compare
Source](https://redirect.github.com/bazelbuild/bazel/compare/9.0.1...9.0.2)

```

Release Notes:

```

</details>

---

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---

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---

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diff --git a/.bazelversion b/.bazelversion
index 37ad5c8..44931da 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-9.0.1
+9.1.1