Bump actions/checkout from 4 to 5 (#2420)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5.

- vLLM version: v0.10.0
- vLLM main:
5f5664b3e4

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/accuracy_test.yaml

@@ -88,7 +88,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set model name as output
         id: set_output
@@ -109,7 +109,7 @@ jobs:
           apt-get -y install gcc g++ cmake libnuma-dev
 
       - name: Checkout vllm-project/vllm repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: vllm-project/vllm
           ref: v0.10.0
@@ -138,7 +138,7 @@ jobs:
           echo "GHA_VLLM_ASCEND_VERSION=$RESOLVED_VERSION" >> $GITHUB_ENV
 
       - name: Checkout vllm-project/vllm-ascend repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: vllm-project/vllm-ascend
           path: ./vllm-ascend
@@ -236,7 +236,7 @@ jobs:
       UPSTREAM_REPO: vllm-project/vllm-ascend
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: vllm-ascend-ci/vllm-ascend
           token: ${{ secrets.PAT_TOKEN }}