Bump actions/upload-artifact from 2.3.1 to 3 (#12)

Author: dependabot[bot]

.github/workflows/scorecards.yml

@@ -40,7 +40,7 @@ jobs:
 
       # Upload the results as artifacts (optional).
       - name: "Upload artifact"
-        uses: actions/upload-artifact@82c141cc518b40d92cc801eee768e7aafc9c2fa2 # v2.3.1
+        uses: actions/upload-artifact@6673cd052c4cd6fcf4b4e6e60ea986c889389535 # v2.3.1
         with:
           name: SARIF file
           path: results.sarif