fix(linter): Correctly collect lintable files for project in @nx/esli…

…nt plugin (#26638)

(cherry picked from commit a41a8d6)

packages/eslint/src/plugins/plugin.ts

@@ -13,7 +13,7 @@ import {
 } from '@nx/devkit';
 import { calculateHashForCreateNodes } from '@nx/devkit/src/utils/calculate-hash-for-create-nodes';
 import { existsSync } from 'node:fs';
-import { basename, dirname, join, normalize, sep } from 'node:path';
+import { basename, dirname, join, normalize, sep } from 'node:path/posix';
 import { hashObject } from 'nx/src/hasher/file-hasher';
 import { workspaceDataDirectory } from 'nx/src/utils/cache-directory';
 import { combineGlobPatterns } from 'nx/src/utils/globs';