Update release-template.md (#8147)

Update to include an optional step to manually run dependabot and review resulting PRs for inclusion before freezing release.

.github/ISSUE_TEMPLATE/release-template.md

@@ -20,6 +20,7 @@ This release process will produce releases:
 - [ ] Assign this issue to a "release manager".
 - [ ] Review [draft security advisories](https://github.com/eclipse/jetty.project/security/advisories). Ensure that issues are created and assigned to GitHub Projects to capture any advisories that will be announced.
 - [ ] Create the [GitHub Project(s)](https://github.com/eclipse/jetty.project/projects) for the next releases.
+- [ ] Review dependabot status. If there has not been a recent run, run [manually](https://github.com/eclipse/jetty.project/network/updates) and review resulting PRs for inclusion.
 - [ ] Review the issues/PRs assigned to the target [GitHub Project(s)](https://github.com/eclipse/jetty.project/projects).  Any PRs that are moved to next releases should be commented on so their authors are informed.
 - [ ] Freeze the target [GitHub Project(s)](https://github.com/eclipse/jetty.project/projects) by editing their names to "Jetty X.Y.Z FROZEN"
 - [ ] Wait 24 hours from last change to the issues/PRs included in FROZEN GitHub Project(s).