Update checkout version to v4

Author: ActoryOu

.github/workflows/tag-and-zip.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.inputs.commit_id }}
       - name: Configure git identity
@@ -45,7 +45,7 @@ jobs:
       - name: Install ZIP tools
         run: sudo apt-get install zip unzip
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.inputs.commit_id }}
           path: aws-iot-device-sdk-embedded-C

.github/workflows/version-updater.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.inputs.branch }}
       - name: Configure git identity