Update sous-chefs/.github action to v9 (#197)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Check out code
         uses: actions/checkout@v7
       - name: Install Chef
-        uses: sous-chefs/.github/.github/actions/install-workstation@8.0.2
+        uses: sous-chefs/.github/.github/actions/install-workstation@9.0.0
       - name: Dokken
         uses: actionshub/test-kitchen@main
         env:
@@ -51,7 +51,7 @@ jobs:
       - name: Check out code
         uses: actions/checkout@v7
       - name: Install Chef
-        uses: sous-chefs/.github/.github/actions/install-workstation@8.0.2
+        uses: sous-chefs/.github/.github/actions/install-workstation@9.0.0
       - name: Kitchen Test
         uses: actionshub/test-kitchen@main
         env: