refactor(linter/plugins): rename var for consistency (#15813)

Pure refactor. Rename var to match elsewhere.

Author: overlookmotel

apps/oxlint/src-js/cli.ts

@@ -20,10 +20,10 @@ function lintFileWrapper(
   bufferId: number,
   buffer: Uint8Array | null,
   ruleIds: number[],
-  stringifiedSettings: string,
+  settingsJSON: string,
 ): string {
   // `lintFile` is never called without `loadPlugin` being called first, so `lintFile` must be defined here
-  return lintFile(filePath, bufferId, buffer, ruleIds, stringifiedSettings);
+  return lintFile(filePath, bufferId, buffer, ruleIds, settingsJSON);
 }
 
 // Get command line arguments, skipping first 2 (node binary and script path)