chore(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           # This makes Actions fetch all Git history so that Changesets can generate changelogs with the correct commits
           fetch-depth: 0

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
         node_version: [ 18, 20, 22 ]
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: setup Node.js ${{ matrix.node_version }}
         uses: actions/setup-node@v4
         with:

.github/workflows/website.yml

@@ -9,7 +9,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with: