[CP-Sec] Enable OpenSSF Scorecard

Enable OpenSSF Scorecard workflow, add badge to README file
Remove deprecated "Build and Test" badge from README file

Author: carlewis

.github/workflows/scorecard.yml

@@ -0,0 +1,53 @@
+# Scorecards' GitHub action
+
+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:
+  schedule:
+    - cron: '8 11 * * 2'
+  push:
+    branches: [ "main" ]
+
+# 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: "Checkout code"
+        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
+        with:
+          persist-credentials: false
+
+      - name: "Run analysis"
+        uses: ossf/scorecard-action@dc50aa9510b46c811795eb24b2f1ba02a914e534 # v2.3.3
+        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@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
+        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@2e230e8fe0ad3a14a340ad0815ddb96d599d2aff # v3.25.8
+        with:
+          sarif_file: results.sarif

README.md

@@ -1,7 +1,6 @@
 # portBLAS Implementation
-===
 
-[![Build and Test](https://github.com/codeplaysoftware/portBLAS/actions/workflows/build-and-test.yml/badge.svg?event=push)](https://github.com/codeplaysoftware/portBLAS/actions/workflows/build-and-test.yml)
+[![OpenSSF Scorecard](https://api.scorecard.dev/projects/github.com/codeplaysoftware/portBLAS/badge)](https://scorecard.dev/viewer/?uri=github.com/codeplaysoftware/portBLAS)
 
 portBLAS implements BLAS - [Basic Linear Algebra Subroutines](https://en.wikipedia.org/wiki/Basic_Linear_Algebra_Subprograms) - using [SYCL](https://www.khronos.org/sycl/).