build(deps-dev): bump and replace @eslint/compat with @eslint/config-helpers (#32)

* build(deps-dev): bump @eslint/compat

Bumps the eslint group with 1 update in the / directory: [@eslint/compat](https://github.com/eslint/rewrite/tree/HEAD/packages/compat).


Updates `@eslint/compat` from 2.0.5 to 2.1.0
- [Release notes](https://github.com/eslint/rewrite/releases)
- [Changelog](https://github.com/eslint/rewrite/blob/main/packages/compat/CHANGELOG.md)
- [Commits](https://github.com/eslint/rewrite/commits/compat-v2.1.0/packages/compat)

---
updated-dependencies:
- dependency-name: "@eslint/compat"
  dependency-version: 2.1.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: eslint
...

Signed-off-by: dependabot[bot] <support@github.com>

* build(eslint): fix deprecated error in eslint.config.mts

```
  14:3  error  `includeIgnoreFile` is deprecated. Use the `includeIgnoreFile()` function exported by
`@eslint/config-helpers` instead (also available at `eslint/config`)  @typescript-eslint/no-deprecated
```

* build(package): remove unused `@eslint/compat`

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Mark <mark@remarkablemark.org>

Author: dependabot[bot]

eslint.config.mts

@@ -1,6 +1,6 @@
 import { fileURLToPath } from 'node:url';
 
-import { includeIgnoreFile } from '@eslint/compat';
+import { includeIgnoreFile } from '@eslint/config-helpers';
 import eslint from '@eslint/js';
 import { defineConfig } from 'eslint/config';
 import prettier from 'eslint-plugin-prettier';

package-lock.json

@@ -48,7 +48,7 @@
   "devDependencies": {
     "@commitlint/cli": "21.0.0",
     "@commitlint/config-conventional": "21.0.0",
-    "@eslint/compat": "2.0.5",
+    "@eslint/config-helpers": "0.6.0",
     "@eslint/js": "10.0.1",
     "@types/node": "25.6.2",
     "@types/react": "19.2.14",