⬆️ Bump actions/checkout from 4 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](actions/checkout@v4...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: setup node
         uses: actions/setup-node@v4
@@ -23,7 +23,7 @@ jobs:
     needs: [packages]
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: setup node
         uses: actions/setup-node@v4
@@ -41,7 +41,7 @@ jobs:
     needs: [packages]
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: setup node
         uses: actions/setup-node@v4

.github/workflows/preview.yaml

@@ -18,7 +18,7 @@ jobs:
       - name: Set PR_NUMBER env
         run: echo "PR_NUMBER=${{ github.event.number }}" >> $GITHUB_ENV
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           persist-credentials: false

.github/workflows/release.yml

@@ -12,7 +12,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v4
         with:
           node-version: 20