CI: bump actions/checkout to v4

Author: kbdharun

.github/workflows/test.yml

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

.github/workflows/translations.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Use Node.js 18.x
         uses: actions/setup-node@v3
         with: