suffix download tmp file with version. delete tmp file after extraction.

Author: simonjur

src/gitleaks.js

@@ -62,7 +62,7 @@ async function Install(version) {
       core.error(`Unsupported archive format: ${gitleaksReleaseURL}`);
     }
     if (existsSync(downloadPath)) {
-      await unlinkSync(downloadPath);
+      unlinkSync(downloadPath);
     }
     try {
       await cache.saveCache([pathToInstall], cacheKey);