ci: Upgrade checkout action from v4 to v6

Author: e-marchand

.github/workflows/build.yml

@@ -53,7 +53,7 @@ jobs:
           cp -r ${{ github.workspace }}/${{ github.event.repository.name }}/build/ ${{ github.workspace }}/${{ github.event.repository.name }}_UnitTests/Components
 
       - name: Checkout setup4d-action
-        uses:  actions/checkout@v4
+        uses:  actions/checkout@v6
         with: 
           repository: 4d/setup4d-action
           token: ${{ secrets.GH_4D_ACTION_TOKEN }}

.github/workflows/release.yml

@@ -73,7 +73,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 📄 Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           lfs: true
           # Disabling shallow clone is recommended for improving relevancy of reporting