build: update actions/checkout action to v4

Author: angular-robot

.github/workflows/scorecard.yml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: 'Checkout code'
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
         with:
           persist-credentials: false