[infra] update actions checkout version to 4 (#2544)

Signed-off-by: yuluo-yx <[email protected]>

.github/workflows/backend-build-test.yml

@@ -42,7 +42,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up JDK 17
       uses: actions/setup-java@v1
       with:

.github/workflows/codeql-analysis.yml

@@ -47,7 +47,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/doc-build-test.yml

@@ -31,7 +31,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Check filename in home/blog

.github/workflows/doc-pdf-builder.yml

@@ -53,4 +53,3 @@ jobs:
           path: docs-en.pdf
           if-no-files-found: error
           retention-days: 1
-

.github/workflows/frontend-build-test.yml

@@ -34,7 +34,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Yarn Install
       working-directory: web-app
       run: yarn

.github/workflows/license-checker.yml

@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: true
       - name: Check license header