Bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

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

.github/workflows/assets.yml

@@ -22,7 +22,7 @@ jobs:
   assets:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - uses: pnpm/action-setup@v2
@@ -34,7 +34,7 @@ jobs:
           node-version: '19'
           cache: pnpm
       - run: pnpm install
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           repository: lichess-org/ab
           ssh-key: ${{ secrets.id_rsa_ab }}

.github/workflows/lint.yml

@@ -16,7 +16,7 @@ jobs:
       contents: read
       security-events: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: pnpm/action-setup@v2
         with:
           version: '8.6'

.github/workflows/server.yml

@@ -32,7 +32,7 @@ jobs:
   openjdk17:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           distribution: temurin

.github/workflows/translations.yml

@@ -16,7 +16,7 @@ jobs:
   translations:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install xmllint
         run: sudo apt-get update && sudo apt-get install -y libxml2-utils
       - name: Validate translation files