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)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/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] <support@github.com>

.github/workflows/claude.yml

@@ -54,7 +54,7 @@ jobs:
 
       - name: Checkout PR branch
         if: steps.pr.outcome == 'success'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{ steps.pr.outputs.sha }}
           repository: ${{ steps.pr.outputs.repo }}
@@ -62,7 +62,7 @@ jobs:
 
       - name: Checkout repository
         if: steps.pr.outcome != 'success'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/cli_tests.yml

@@ -15,7 +15,7 @@ jobs:
       run:
         working-directory: ./cli
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Node.js
         uses: actions/setup-node@v6

.github/workflows/e2e_tests.yml

@@ -18,7 +18,7 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y libwoff1
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-node@v6
         id: setup_node

.github/workflows/main.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Check formatting
         run: npx prettier --check .
@@ -50,7 +50,7 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version-file: package.json
@@ -77,7 +77,7 @@ jobs:
       attestations: write
       id-token: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Log in to the Container registry
         uses: docker/login-action@v3