Update Actions to v6

Author: renovate[bot]

.github/workflows/ci.yml

@@ -37,7 +37,7 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Chef
         uses: actionshub/chef-install@main
       - name: Dokken
@@ -54,7 +54,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Chef
         uses: actionshub/chef-install@main
       - name: Kitchen Test

.github/workflows/copilot-setup-steps.yml

@@ -17,7 +17,7 @@ jobs:
       contents: read
     steps:
       - name: Check out code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Chef
         uses: actionshub/chef-install@main
       - name: Install cookbooks