ci: Fix auto-release (#9021)

Author: mtrezza

release.config.js

@@ -41,7 +41,7 @@ async function config() {
       { name: 'beta', prerelease: true },
       'next-major',
       // Long-Term-Support branches
-      { name: 'release-6.x.x', range: '6.x.x', channel: '6.x.x' },
+      { name: 'release-6.x.x', channel: '6.x.x' },
     ],
     dryRun: false,
     debug: true,