Remove closed issues from triage board for usnistgov/OSCAL#1302. (#210)

.github/workflows/issue-triage.yml

@@ -1,12 +1,27 @@
+name: Triage Board Management
+
 on:
   issues:
-    types: [opened]
+    types:
+      - opened
+      - closed
 jobs:
   createCard:
     runs-on: ubuntu-latest
+    if: github.event.action == 'opened'
     steps:
       - name: Add New Issues to Issue Triage Board
         uses: peter-evans/create-or-update-project-card@866533e2ae61f13c35fd1d374049713fab43c729 # current tag: v2
         with:
           project-name: Issue Triage
           column-name: Needs Triage
+  removeCard:
+    runs-on: ubuntu-latest
+    if: github.event.action == 'closed'
+    steps:
+      - uses: alex-page/github-project-automation-plus@bb266ff4dde9242060e2d5418e120a133586d488 #current tag: v0.8.1
+        with:
+          project: Issue Triage
+          column: Done
+          action: delete
+          repo-token: ${{ secrets.COMMIT_TOKEN }}