ci: use actions checkout v4

.github/workflows/bash_validation_ci.yaml

@@ -16,28 +16,30 @@ jobs:
     name: Validate with ShellCheck
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Run ShellCheck on jade-diy
         uses: ludeeus/action-shellcheck@master
         env:
           SHELLCHECK_OPTS: -e SC1091
+
   validate-shfmt:
     name: Validate with shfmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Run shfmt on jade-diy scripts
         uses: luizm/action-sh-checker@master
         env:
           SHFMT_OPTS: -i 2 -sr
         with:
           sh_checker_shellcheck_disable: true
+
   run-scripts:
     name: Execute the scripts
     runs-on: ubuntu-latest
     needs: [validate-shellcheck, validate-shfmt]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install runtime dependency python3-virtualenv
         run: sudo apt update && sudo apt install -y python3-virtualenv
       - name: Run flash_your_device