chore(gha): update closed.yml GitHub workflow (#55)

Author: ms-bot

.github/workflows/closed.yml

@@ -12,7 +12,7 @@ jobs:
   ZapierReviewRequestedPurpleHeart:
     if: github.event.pull_request.merged == true
     name: "Zapier Purple Heart"
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     timeout-minutes: 1
     steps:
       - name: "Sync emoji in #mobsuccess-review-requested"
@@ -21,7 +21,7 @@ jobs:
   ZapierReviewRequestedRedCross:
     if: github.event.pull_request.merged == false
     name: "Zapier Red Cross"
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     timeout-minutes: 1
     steps:
       - name: "Sync emoji in #mobsuccess-review-requested"
@@ -30,7 +30,7 @@ jobs:
   CommentSubPRs:
     if: github.event.pull_request.merged == true
     name: "Comment rebase --onto on Sub PRs"
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     timeout-minutes: 2
     steps:
       - uses: mobsuccess-devops/github-actions-mobsuccess@master