Update actions/checkout action to v4

.github/workflows/ci-build.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Node.js 20
         uses: actions/setup-node@v3
         with:

.github/workflows/ci-lint.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           # Checkout pull request HEAD commit instead of merge commit.
           ref: ${{ github.event.pull_request.head.sha }}

.github/workflows/ci-playwright.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Node.js 20
         uses: actions/setup-node@v3
         with:

.github/workflows/ci-renovate.yml

@@ -21,7 +21,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           # Needed for correct git commit --amend.
           fetch-depth: 0

.github/workflows/ci-test.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Node.js 20
         uses: actions/setup-node@v3
         with:

.github/workflows/cloudflare-pages.yml

@@ -40,7 +40,7 @@ jobs:
               </tr>
             </table>
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         # Checkout pull request HEAD commit instead of merge commit.
         with:
           ref: ${{ github.event.pull_request.head.sha }}

.github/workflows/generate-openapi.yml

@@ -17,7 +17,7 @@ jobs:
       run:
         working-directory: src/oasis-nexus
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Node.js 20
         uses: actions/setup-node@v3
         with:

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Node.js 20
         uses: actions/setup-node@v3
         with: