ci(security): add openssf scorecard (#971)

Close #969

---------

Co-authored-by: Leo Kettmeir <crowlkats@toaxl.com>

Author: AugustinMauroy

.github/workflows/scorecard.yml

@@ -0,0 +1,59 @@
+name: Scorecard supply-chain security
+on:
+  # For Branch-Protection check. Only the default branch is supported. See
+  # https://github.com/ossf/scorecard/blob/main/docs/checks.md#branch-protection
+  branch_protection_rule:
+  # To guarantee Maintained check is occasionally updated. See
+  # https://github.com/ossf/scorecard/blob/main/docs/checks.md#maintained
+  schedule:
+    - cron: '35 6 * * 1'
+  push:
+    branches: [ "main" ]
+  workflow_dispatch:
+
+# Declare default permissions as read only.
+permissions: read-all
+
+jobs:
+  analysis:
+    name: Scorecard analysis
+    runs-on: ubuntu-latest
+    permissions:
+      # Needed to upload the results to code-scanning dashboard.
+      security-events: write
+      # Needed to publish results and get a badge (see publish_results below).
+      id-token: write
+
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@58077d3c7e43986b6b15fba718e8ea69e387dfcc # v2.15.1
+        with:
+          egress-policy: audit
+
+      - name: "Checkout code"
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+        with:
+          persist-credentials: false
+
+      - name: "Run analysis"
+        uses: ossf/scorecard-action@99c09fe975337306107572b4fdf4db224cf8e2f2 # v2.4.3
+        with:
+          results_file: results.sarif
+          results_format: sarif
+          publish_results: true
+
+      # Upload the results as artifacts (optional). Commenting out will disable uploads of run results in SARIF
+      # format to the repository Actions tab.
+      - name: "Upload artifact"
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        with:
+          name: SARIF file
+          path: results.sarif
+          retention-days: 5
+
+      # Upload the results to GitHub's code scanning dashboard (optional).
+      # Commenting out will disable upload of results to your repo's Code Scanning dashboard
+      - name: "Upload to code-scanning"
+        uses: github/codeql-action/upload-sarif@fb0994ef1c058010acf1efccff928b0a83b1ed54 # v4.32.6
+        with:
+          sarif_file: results.sarif

README.md

@@ -13,6 +13,8 @@ This is the source code for https://jsr.io, the new JavaScript registry.
 
 ## Project Information
 
+[![OpenSSF Scorecard](https://api.scorecard.dev/projects/github.com/jsr-io/jsr/badge)](https://scorecard.dev/viewer/?uri=github.com/jsr-io/jsr)
+
 **Goals**
 
 - Robust