Chore: bump actions/checkout from 2 to 3 (#182)

.github/workflows/run.yml

@@ -39,24 +39,24 @@ jobs:
         shell: bash
 
       - name: Checkout the "hidden" branch of this repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           ref: hidden
 
       - name: Checkout Loyalsoldier/domain-list-custom
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           repository: Loyalsoldier/domain-list-custom
           path: custom
 
       - name: Checkout v2fly/domain-list-community
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           repository: v2fly/domain-list-community
           path: community
 
       - name: Checkout cokebar/gfwlist2dnsmasq
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           repository: cokebar/gfwlist2dnsmasq
           path: gfwlist2dnsmasq