refactor: pass bad credentials error from branch to repo

lib/workers/branch/index.js

@@ -196,6 +196,10 @@ async function processBranch(branchConfig, packageFiles) {
       logger.debug('Passing repository-changed error up');
       throw err;
     }
+    if (err.message === 'bad-credentials') {
+      logger.debug('Passing bad-credentials error up');
+      throw err;
+    }
     if (err.message === 'lockfile-error') {
       logger.info('Lock file error');
     } else if (err.message !== 'registry-failure') {