Upgrade to actions/checkout@v4

Signed-off-by: Austin Vazquez <macedonv@amazon.com>

Author: austinvazquez

.github/workflows/ci.yml

@@ -37,7 +37,7 @@ jobs:
           go-version: ${{ env.GO_VERSION }}
           cache: false # see actions/setup-go#368
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: golangci/golangci-lint-action@v6
         with:
           version: v1.61.0
@@ -59,7 +59,7 @@ jobs:
           go-version: ${{ env.GO_VERSION }}
           cache: false # see actions/setup-go#368
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           path: src/github.com/containerd/plugin
           fetch-depth: 25
@@ -75,7 +75,7 @@ jobs:
     timeout-minutes: 5
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           path: src/github.com/containerd/plugin