Add OpenSSF Scorecard workflow

Author: nosborn

.github/workflows/scorecard.yml

@@ -0,0 +1,49 @@
+# yamllint disable rule:line-length
+---
+name: OpenSSF Scorecard
+
+on:
+  schedule:
+    - cron: 18 2 * * 1
+  push:
+    branches:
+      - main
+  branch_protection_rule: {}
+
+permissions: read-all
+
+jobs:
+  analysis:
+    name: Scorecard analysis
+    permissions:
+      id-token: write
+      security-events: write
+    if: github.event.repository.default_branch == github.ref_name || github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          persist-credentials: false
+
+      - name: Run analysis
+        uses: ossf/scorecard-action@f49aabe0b5af0936a0987cfb85d86b75731b0186 # v2.4.1
+        with:
+          # file_mode: git
+          publish_results: false
+          # repo_token: ${{ secrets.SCORECARD_TOKEN }}
+          results_file: results.sarif
+          results_format: sarif
+
+      # - name: Upload artifact
+      #   uses: actions/upload-artifact@4cec3d8aa04e39d1a68397de0c4cd6fb9dce8ec1 # v4.6.1
+      #   with:
+      #     name: SARIF file
+      #     path: results.sarif
+      #     retention-days: 5
+
+      - name: Upload to code scanning
+        uses: github/codeql-action/upload-sarif@86b04fb0e47484f7282357688f21d5d0e32175fe # v3.29.0
+        with:
+          sarif_file: results.sarif