ESLint: Fix no-redeclare warnings

Not sure where this is suddenly coming from, but we can just use different variable names instead to fix it.

Author: Turbo87

eslint.config.mjs

@@ -10,10 +10,10 @@ import globals from 'globals';
 import path from 'node:path';
 import { fileURLToPath } from 'node:url';
 
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = path.dirname(__filename);
+const filename = fileURLToPath(import.meta.url);
+const dirname = path.dirname(filename);
 const compat = new FlatCompat({
-  baseDirectory: __dirname,
+  baseDirectory: dirname,
   recommendedConfig: js.configs.recommended,
   allConfig: js.configs.all,
 });