Bump the eslint group across 1 directory with 2 updates (#2250)

Bumps the eslint group with 2 updates in the /src/Elastic.Documentation.Site directory: [@eslint/js](https://github.com/eslint/eslint/tree/HEAD/packages/js) and [eslint](https://github.com/eslint/eslint).


Updates `@eslint/js` from 9.39.0 to 9.39.1
- [Release notes](https://github.com/eslint/eslint/releases)
- [Commits](https://github.com/eslint/eslint/commits/v9.39.1/packages/js)

Updates `eslint` from 9.39.0 to 9.39.1
- [Release notes](https://github.com/eslint/eslint/releases)
- [Commits](eslint/eslint@v9.39.0...v9.39.1)

---
updated-dependencies:
- dependency-name: "@eslint/js"
  dependency-version: 9.39.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: eslint
- dependency-name: eslint
  dependency-version: 9.39.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: eslint
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/Elastic.Documentation.Site/package-lock.json

@@ -49,7 +49,7 @@
     "@babel/preset-react": "7.27.1",
     "@babel/preset-typescript": "7.27.1",
     "@elastic/synthetics": "1.19.0",
-    "@eslint/js": "9.39.0",
+    "@eslint/js": "9.39.1",
     "@parcel/reporter-bundle-analyzer": "2.16.0",
     "@tailwindcss/postcss": "4.1.17",
     "@testing-library/jest-dom": "6.9.1",
@@ -60,7 +60,7 @@
     "@types/katex": "^0.16.7",
     "@types/testing-library__jest-dom": "6.0.0",
     "babel-jest": "30.2.0",
-    "eslint": "9.39.0",
+    "eslint": "9.39.1",
     "globals": "16.5.0",
     "identity-obj-proxy": "3.0.0",
     "jest": "30.2.0",