update checkout action

Author: markaren

.github/workflows/config.yml

@@ -17,7 +17,7 @@ jobs:
         compiler_version: [ 11 ]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install prerequisites
         run: |
@@ -53,7 +53,7 @@ jobs:
         compiler_version: [ 11 ]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install prerequisites
         run: |
@@ -87,7 +87,7 @@ jobs:
         compiler_version: [11]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Install prerequisites
       run: |
@@ -127,7 +127,7 @@ jobs:
         os: [windows-2022]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Configure and build
         run: |
@@ -149,7 +149,7 @@ jobs:
         os: [macos-13]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Configure and build
         run: |
@@ -170,7 +170,7 @@ jobs:
         compiler_version: [ 11 ]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install prerequisites
         run: |