fix(wrokflow): pull-format checkout

.github/workflows/checksum.yml

@@ -6,10 +6,10 @@ jobs:
   checksum:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@v4
 
       - name: Setup Go Environment
-        uses: actions/setup-go@master
+        uses: actions/setup-go@v5
 
       - name: Run RVC-Models-Downloader
         run: |

.github/workflows/pull-format.yml

@@ -53,10 +53,9 @@ jobs:
     steps:
       - name: Checkout
         continue-on-error: true
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
-          ref: ${{ github.head_ref }}
-          fetch-depth: 0
+          ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4

.github/workflows/unitest.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
 
-      - uses: actions/checkout@master
+      - uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4