chore: remove fallback

Co-authored-by: Théo LUDWIG <[email protected]>

src/index.ts

@@ -5,7 +5,7 @@ import path from 'node:path'
 import { findRelease } from './release'
 import { checkerName, version } from './shared'
 
-const WORKING_DIR = path.join(process.env.HOME ?? "/tmp", 'editorconfig-checker')
+const WORKING_DIR = path.join(os.homedir(), 'editorconfig-checker')
 
 async function main() {
   info(`Find '${version}' release`)