refactor(logs): rename autoclose log

lib/workers/repository/finalise/prune.js

@@ -44,10 +44,10 @@ async function pruneStaleBranches(config, branchList) {
     logger.info({ branch: branchName }, `Deleting orphan branch`);
     const pr = await platform.findPr(branchName, null, 'open');
     if (pr) {
-      logger.info({ prNo: pr.number, prTitle: pr.title }, 'Autoclosing PR');
       await platform.updatePr(pr.number, `${pr.title} - autoclosed`);
     }
     const closePr = true;
     await platform.deleteBranch(branchName, closePr);
+    logger.info({ prNo: pr.number, prTitle: pr.title }, 'PR closed');
   }
 }