add timeline

Author: StephenHodgson

.github/workflows/validate.yml

@@ -42,3 +42,12 @@ jobs:
     uses: ./.github/workflows/build.yml
     with:
       matrix: ${{ toJSON(matrix.jobs.matrix) }}
+  timeline:
+    needs: [setup, validate]
+    if: always()
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - uses: Kesin11/actions-timeline@c2f474758e8e9ac6f37ec64a6442dead7fd1dad2 # v2.2.5
+        continue-on-error: true