Update actions/checkout action to v4

renovate[bot] · web-flow · commit 11639cbdf359 · 2023-09-04T13:24:21.000Z
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -6,7 +6,7 @@ jobs:
 
     steps:
       - name: Begin CI...
-        uses: actions/checkout@v2
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
 
       - name: Use Node 12
         uses: actions/setup-node@v2
