Bump actions/checkout from 4 to 5 (#86)

Author: github-actions[bot]

.github/workflows/readme-checker.yaml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Markdown Lint
         uses: DavidAnson/markdownlint-cli2-action@992badcdf24e3b8eb7e87ff9287fe931bcb00c6e
         with:

.github/workflows/shell-checker.yaml

@@ -7,7 +7,7 @@ jobs:
   sh-checker:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Run the sh-checker
         uses: luizm/action-sh-checker@17bd25a6ee188d2b91f677060038f4ba37ba14b2
         env:

.github/workflows/shell-format.yaml

@@ -17,7 +17,7 @@ jobs:
         run: |
           sudo apt-get install shfmt -y
       - name: Checkout Code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: ${{ github.head_ref }}
       - name: Format, Commit and Push Changes