Add PR checklist item for triaging blockees

… when PR lands on `develop`

.github/PULL_REQUEST_TEMPLATE/upgrade.md

@@ -85,6 +85,7 @@ Connected issue: #0000
 - [ ] Added PR # reference to merge commit title
 - [ ] Collected commit title tags in merge commit title <sub>but excluded any `p` tags</sub>
 - [ ] Moved connected issue to *Merged lower* column in ZenHub
+- [ ] Moved blocked issues to *Triage* <sub>or no issues are blocked on the connected issue</sub>
 - [ ] Closed related Dependabot PRs with a comment referencing the corresponding commit in this PR <sub>or this PR does not include any such commits</sub>
 - [ ] Pushed merge commit to GitHub
 

.github/pull_request_template.md

@@ -144,6 +144,7 @@ title is `Fix: ` followed by the issue title
 - [ ] Added PR # reference to merge commit title
 - [ ] Collected commit title tags in merge commit title <sub>but only included `p` if the PR is also labeled `partial`</sub>
 - [ ] Moved connected issues to *Merged lower* column in ZenHub
+- [ ] Moved blocked issues to *Triage* <sub>or no issues are blocked on the connected issues</sub>
 - [ ] Pushed merge commit to GitHub
 
 

.github/pull_request_template.md.template.py

@@ -812,6 +812,11 @@ def emit(t: T, target_branch: str):
                                'Moved connected issue to *Merged stable* column in ZenHub',
                                f'Moved connected {t.issues} to *Merged lower* column in ZenHub')
             }),
+            iif(target_branch == 'develop' and t is not T.backport, {
+                'type': 'cli',
+                'content': 'Moved blocked issues to *Triage*',
+                'alt': f'or no issues are blocked on the connected {t.issues}'
+            }),
             iif(t is T.upgrade,
                 {
                     'type': 'cli',