Add OpenSSF Scorecard supply-chain security workflow

.github/workflows/openssf-scorecard.yml

@@ -0,0 +1,40 @@
+name: OpenSSF Scorecard supply-chain security
+on:
+  branch_protection_rule:
+  schedule:
+    - cron: '0 3 * * 1'
+  push:
+    branches: [ "main" ]
+
+# Declare default workflow permissions as read only
+permissions: read-all
+
+jobs:
+  analysis:
+    name: OpenSSF Scorecard analysis
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write # Needed to upload the results to code scanning dashboard
+      id-token: write # Needed to publish results to OpenSSF API and get a badge (see publish_results below)
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.1.0
+        with:
+          persist-credentials: false
+      - name: Run analysis
+        uses: ossf/scorecard-action@e38b1902ae4f44df626f11ba0734b14fb91f8f86 # v2.1.2
+        with:
+          results_file: results.sarif
+          results_format: sarif
+          publish_results: true
+      - name: Upload Actions artifact
+        uses: actions/upload-artifact@3cea5372237819ed00197afe530f5a7ea3e805c8 # v3.1.0
+        with:
+          name: SARIF file
+          path: results.sarif
+          retention-days: 5
+      - name: Upload to code scanning dashboard
+        uses: github/codeql-action/upload-sarif@17573ee1cc1b9d061760f3a006fc4aac4f944fd5 # v2.2.4
+        with:
+          sarif_file: results.sarif
+