chore(deps): update actions/checkout action to v4 (#199)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/test.yaml

@@ -9,7 +9,7 @@ jobs:
         go-version: ['1.21.x', 'stable']
     steps:
       - name: Clone
-        uses: actions/checkout@v3
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
         with: 
           submodules: true
       - name: Dependencies
@@ -34,7 +34,7 @@ jobs:
         go-version: ['1.21.x', 'stable']
     steps:
       - name: Clone
-        uses: actions/checkout@v3
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
         with: 
           submodules: true
       - name: Setup Go ${{ matrix.go-version }}
@@ -55,7 +55,7 @@ jobs:
         go-version: ['1.21.x', 'stable']
     steps:
       - name: Clone
-        uses: actions/checkout@v3
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
         with: 
           submodules: true
       - name: Setup Go ${{ matrix.go-version }}