Bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...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>

Author: dependabot[bot]

.github/workflows/on-release.yml

@@ -7,7 +7,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Setup Hugo
         uses: peaceiris/actions-hugo@v3
@@ -42,7 +42,7 @@ jobs:
           app-id: ${{ secrets.AGENCY_RELEASER_ID }}
           private-key: ${{ secrets.AGENCY_RELEASER_KEY }}
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: master
           token: ${{ steps.generate_token.outputs.token }}

.github/workflows/pr-target.yml

@@ -15,7 +15,7 @@ jobs:
       - id: label-the-PR
         uses: actions/labeler@v6
       # Add comment to trigger notification
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         if: contains(steps.label-the-PR.outputs.all-labels, 'dev')
       - name: Add comment to PR
         if: contains(steps.label-the-PR.outputs.all-labels, 'dev')

.github/workflows/test.yml

@@ -4,7 +4,7 @@ jobs:
   license-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: "18.x"
@@ -16,7 +16,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Setup Hugo
         uses: peaceiris/actions-hugo@v3