chore(deps): update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/shared-mega-linter.yaml

@@ -25,7 +25,7 @@ jobs:
       cancel-in-progress: true
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           token: ${{ secrets.PAT || github.token }}
       - name: MegaLinter

.github/workflows/shared-repo.yaml

@@ -25,7 +25,7 @@ jobs:
       cancel-in-progress: true
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           token: ${{ secrets.PAT || github.token }}
       - name: Copier Update