update checkout@v4

Author: ppcano

.github/workflows/example_basic_test.yaml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup k6
         uses: grafana/setup-k6-action@v1
       - name: Run k6 test

.github/workflows/example_browser_test.yaml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup k6
         uses: grafana/setup-k6-action@v1
         with:

.github/workflows/example_cli_flags_test.yaml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup k6
         uses: grafana/setup-k6-action@v1
       - name: Run k6 test

.github/workflows/example_env_var.yaml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup k6
         uses: grafana/setup-k6-action@v1
       - name: Run k6 test

.github/workflows/example_multiple_scripts.yaml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup k6
         uses: grafana/setup-k6-action@v1
       - name: Run k6 test

.github/workflows/example_specific_k6_version.yaml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup k6
         uses: grafana/setup-k6-action@v1
         with:

.github/workflows/example_verify_scripts.yaml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup k6
         uses: grafana/setup-k6-action@v1
       - name: Verify test script