use checkout@v4 in Github actions

Signed-off-by: Hans Zandbelt <hans.zandbelt@openidc.com>

Author: zandbelt

.github/workflows/build.yml

@@ -6,7 +6,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Dependencies
       run: |
         sudo apt-get update -y

.github/workflows/codeql-analysis.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Install packages
       run: |