fix(deps): update dependency @cucumber/gherkin-utils to v12 (#5056)

This PR contains the following updates:

| Package | Change |
[Age](https://docs.renovatebot.com/merge-confidence/) |
[Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
|
[@cucumber/gherkin-utils](https://redirect.github.com/cucumber/gherkin-utils)
| [`^11.0.0` →
`^12.0.0`](https://renovatebot.com/diffs/npm/@cucumber%2fgherkin-utils/11.0.0/12.0.0)
|
![age](https://developer.mend.io/api/mc/badges/age/npm/@cucumber%2fgherkin-utils/12.0.0?slim=true)
|
![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/@cucumber%2fgherkin-utils/11.0.0/12.0.0?slim=true)
|

---

### Release Notes

<details>
<summary>cucumber/gherkin-utils
(@&#8203;cucumber/gherkin-utils)</summary>

###
[`v12.0.0`](https://redirect.github.com/cucumber/gherkin-utils/blob/HEAD/CHANGELOG.md#1200---2026-06-10)

[Compare
Source](https://redirect.github.com/cucumber/gherkin-utils/compare/v11.0.0...v12.0.0)

##### Changed

- BREAKING CHANGE: \[JavaScript] Switch to ESM
([#&#8203;185](https://redirect.github.com/cucumber/gherkin-utils/pull/185))

</details>

---

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package-lock.json

@@ -40,7 +40,7 @@
   },
   "dependencies": {
     "@apidevtools/json-schema-ref-parser": "^15.4.0",
-    "@cucumber/gherkin-utils": "^11.0.0",
+    "@cucumber/gherkin-utils": "^12.0.0",
     "@eslint/js": "^9.39.4",
     "@kong/stylelint-plugin-design-tokens": "^1.0.1",
     "@kumahq/eslint-package-constraints": "*",