fix rerun job

Author: gy2006

core/src/main/java/com/flowci/core/job/service/JobServiceImpl.java

@@ -272,11 +272,14 @@ public Job rerun(Flow flow, Job job) {
 
         // re-init job context
         Vars<String> context = job.getContext();
-        for (String key : context.keySet()) {
+        Iterator<Map.Entry<String, String>> iterator = context.entrySet().iterator();
+
+        while (iterator.hasNext()) {
+            var key = iterator.next().getKey();
             if (PUSH_TAG_VARS.contains(key) || PR_VARS.contains(key) || Objects.equals(key, COMMIT_ID)) {
                 continue;
             }
-            context.remove(key);
+            iterator.remove();
         }
 
         initJobContext(job, flow, null);

core/src/main/java/com/flowci/core/job/service/StepServiceImpl.java

@@ -57,6 +57,8 @@ public class StepServiceImpl implements StepService {
 
     @Override
     public void init(Job job) {
+        jobStepCache.invalidate(job.getId());
+
         NodeTree tree = ymlManager.getTree(job);
         List<Step> steps = new LinkedList<>();