Bump actions/checkout from 3 to 4 (#218)

.github/workflows/e2e.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
 
     - name: Check out code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         ref: ${{ github.event.workflow_run.head_sha }}
         submodules: 'recursive'      

.github/workflows/release.yaml

@@ -17,7 +17,7 @@ jobs:
     if: github.event_name != 'release'
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.workflow_run.head_sha }}
           fetch-depth: 0
@@ -41,7 +41,7 @@ jobs:
     if: github.event_name == 'release'
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.workflow_run.head_sha }}
           fetch-depth: 0

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Check out code into the Go module directory
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         submodules: 'recursive'