chore(deps): bump actions/checkout from 4 to 6 (#47)

Author: Scotchester

.github/workflows/mkdocs.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Deploy docs
         uses: mhausenblas/mkdocs-deploy-gh-pages@master

.github/workflows/publish-devcontainer.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Docker Login to GHCR
         uses: docker/login-action@v3