Add OSSF Scorecard workflow to repository-base

Signed-off-by: Erik Godding Boye <egboye@gmail.com>

Author: erikgb

modules/repository-base/base/.github/workflows/scorecards.yaml

@@ -0,0 +1,57 @@
+# THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT.
+# Edit https://github.com/cert-manager/makefile-modules/blob/main/modules/repository-base/base/.github/workflows/scorecards.yaml instead.
+
+name: Scorecards supply-chain security
+on:
+  # Only the default branch is supported.
+  branch_protection_rule:
+  push:
+    # We don't have a consistent name on our default branches, so include both variants for now.
+    branches: [ "main", "master" ]
+
+# Declare default permissions as read only.
+permissions: read-all
+
+jobs:
+  analysis:
+    name: Scorecards analysis
+    runs-on: ubuntu-latest
+    if: github.ref_name == github.event.repository.default_branch
+    permissions:
+      # Needed to upload the results to code-scanning dashboard.
+      security-events: write
+      # Used to receive a badge.
+      id-token: write
+
+    steps:
+      - name: "Checkout code"
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        with:
+          persist-credentials: false
+
+      - name: "Run analysis"
+        uses: ossf/scorecard-action@4eaacf0543bb3f2c246792bd56e8cdeffafb205a # v2.4.3
+        with:
+          results_file: results.sarif
+          results_format: sarif
+
+          # Publish the results for public repositories to enable scorecard badges. For more details, see
+          # https://github.com/ossf/scorecard-action#publishing-results.
+          # For private repositories, `publish_results` will automatically be set to `false`, regardless
+          # of the value entered here.
+          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@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        with:
+          name: SARIF file
+          path: results.sarif
+          retention-days: 5
+      
+      # Upload the results to GitHub's code scanning dashboard.
+      - name: "Upload to code-scanning"
+        uses: github/codeql-action/upload-sarif@7211b7c8077ea37d8641b6271f6a365a22a5fbfa # v4.36.0
+        with:
+          sarif_file: results.sarif

renovate-config.json5

@@ -55,5 +55,6 @@
     // Exclude files that are sourced from makefile-modules and shouldn't be upgraded in projects using makefile-modules.
     'make/_shared/**',
     '.github/workflows/govulncheck.yaml',
+    '.github/workflows/scorecards.yaml',
   ],
 }