ci: update status of staging tests using GitHub REST API

.github/workflows/preview-ci.yml

@@ -20,4 +20,40 @@ jobs:
       - name: Test
         run: yarn test:integration --ci --coverage --maxWorkers=2
         env:
-          STAGING_URL: ${{ github.event.deployment_status.target_url }}
+          STAGING_URL: ${{ github.event.deployment_status.target_url }}
+
+      # We must set the commit status manually
+      # Reference: https://github.com/bahmutov/eleventy-example/blob/main/.github/workflows/ci.yml#L27
+      - name: Staging Tests ✅
+        if: ${{ success() }}
+        # set the merge commit status check
+        # using GitHub REST API
+        # see https://docs.github.com/en/rest/reference/repos#create-a-commit-status
+        run: |
+          curl --request POST \
+          --url https://api.github.com/repos/${{ github.repository }}/statuses/${{ github.sha }} \
+          --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' \
+          --header 'content-type: application/json' \
+          --data '{
+            "context": "Staging Tests",
+            "state": "success",
+            "description": "Staging tests passed",
+            "target_url": "https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}"
+          }'
+
+      - name: Staging Tests 🚨
+        if: ${{ failure() }}
+        # set the merge commit status check
+        # using GitHub REST API
+        # see https://docs.github.com/en/rest/reference/repos#create-a-commit-status
+        run: |
+          curl --request POST \
+          --url https://api.github.com/repos/${{ github.repository }}/statuses/${{ github.sha }} \
+          --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' \
+          --header 'content-type: application/json' \
+          --data '{
+            "context": "Staging Tests",
+            "state": "failure",
+            "description": "Staging tests failed",
+            "target_url": "https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}"
+          }'