Update Actions to v7

Author: renovate[bot]

.github/workflows/ci.yml

@@ -36,7 +36,7 @@ jobs:
       fail-fast: false
     steps:
       - name: Check out code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Install Chef
         uses: actionshub/chef-install@6.0.0
       - name: Dokken

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

@@ -17,7 +17,7 @@ jobs:
       contents: read
     steps:
       - name: Check out code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Install Chef
         uses: actionshub/chef-install@main
       - name: Install cookbooks