fix(deps): update dependency eslint-plugin-functional to v8

##### [v8.0.0](https://github.com/eslint-functional/eslint-plugin-functional/blob/HEAD/CHANGELOG.md#800-2025-01-14)

##### Bug Fixes

-   prefix PrivateIdentifier names with a # ([#921](eslint-functional/eslint-plugin-functional#921)) ([09b6474](eslint-functional/eslint-plugin-functional@09b6474)), closes [#910](eslint-functional/eslint-plugin-functional#910) [#911](eslint-functional/eslint-plugin-functional#911)

##### BREAKING CHANGES

-   when using patterns to match against PrivateIdentifiers, their names are now prefixed with a #.
##### [v7.3.1](eslint-functional/eslint-plugin-functional@v7.3.0...v7.3.1)

##### [v7.3.0](https://github.com/eslint-functional/eslint-plugin-functional/blob/HEAD/CHANGELOG.md#730-2025-01-14)

##### Bug Fixes

-   **prefer-tacit:** improve suggestion message ([59194b2](eslint-functional/eslint-plugin-functional@59194b2))

##### Features

-   **type-declaration-immutability:** allow defining custom suggestion messages ([037a3c7](eslint-functional/eslint-plugin-functional@037a3c7))

#### [7.2.2](eslint-functional/eslint-plugin-functional@v7.2.1...v7.2.2) (2025-01-14)

#### [7.2.1](eslint-functional/eslint-plugin-functional@v7.2.0...v7.2.1) (2025-01-06)
##### [v7.2.2](https://github.com/eslint-functional/eslint-plugin-functional/blob/HEAD/CHANGELOG.md#722-2025-01-14)

package.json

@@ -54,7 +54,7 @@
     "eslint-config-xo-react": "^0.27.0",
     "eslint-config-xo-typescript": "^7.0.0",
     "eslint-plugin-codegen": "0.29.0",
-    "eslint-plugin-functional": "^7.0.0",
+    "eslint-plugin-functional": "^8.0.0",
     "eslint-plugin-import-x": "^4.0.0",
     "eslint-plugin-jsx-a11y": "^6.8.0",
     "eslint-plugin-markdown": "^5.0.0",