chore(gha): bump actions/checkout from 5 to 6

.github/workflows/build.yml

@@ -36,7 +36,7 @@ jobs:
   build:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Build Setup
         uses: ./.github/actions/build-setup
       - name: Build Library

.github/workflows/deploy-demo.yml

@@ -27,7 +27,7 @@ jobs:
   build:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Build Setup
         uses: ./.github/actions/build-setup
       - name: Build demo

.github/workflows/deploy-pr-demo.yml

@@ -26,7 +26,7 @@ jobs:
     permissions:
       pull-requests: write # surge-preview: PR comments
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Build Setup
         uses: ./.github/actions/build-setup
         if: github.event.action != 'closed'

.github/workflows/publish-npm.yml

@@ -11,7 +11,7 @@ jobs:
       id-token: write
       contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Build Setup
         uses: ./.github/actions/build-setup
         with:

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
       - run: |
           echo "New version type: ${{ github.event.inputs.type }}"
       - name: Setup checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           # Use a PAT to ensure that
           #   commits are authored with a specific user