feat: check for pending status after comment

keep re-trying until state changes to pending, up to 3 times. if state does not change, remove from history so another run will retry

src/index.mjs

@@ -98,8 +98,8 @@ async function ghActionBot() {
         () => createPullComment(repo, record.pull.number, PULL_RETEST_BODY, { delete: true }),
         async () => {
           logger.debug(`CHECK #${record.pull.number}: verify state change`);
-          // wait for the ci to restart
 
+          // wait for the ci to restart
           await sleep(ACTION_CHECK_DELAY);
 
           // check that the commit status is now pending