fix: refresh before testing label (#3398)

* fix: refresh before testing label

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

conda_forge_tick/events/pr_events.py

@@ -16,6 +16,17 @@ def _react_to_pr(uid: str, dry_run: bool = False) -> None:
         pr_json = LazyJson(f"pr_json/{uid}.json")
 
         with pr_json:
+            if pr_json.get("state", None) != "closed":
+                pr_data = refresh_pr(copy.deepcopy(pr_json.data), dry_run=dry_run)
+                if pr_data is not None:
+                    if (
+                        "Last-Modified" in pr_json
+                        and "Last-Modified" in pr_data
+                        and pr_json["Last-Modified"] != pr_data["Last-Modified"]
+                    ):
+                        print("refreshed PR data", flush=True)
+                    pr_json.update(pr_data)
+
             if pr_json.get("state", None) != "closed":
                 pr_data = close_out_labels(copy.deepcopy(pr_json.data), dry_run=dry_run)
                 if pr_data is not None: