dev: sparse-checkout for megalinter workflow

.github/workflows/megalinter.yaml

@@ -7,9 +7,9 @@ name: MegaLinter
 on:
   workflow_dispatch:
   pull_request:
-    branches: [ main ]
+    branches: [main]
   push:
-    branches: [ main ]
+    branches: [main]
 
 # Run Linters in parallel
 # Cancel running job if new job is triggered
@@ -30,9 +30,11 @@ jobs:
       - name: Checkout Code
         uses: actions/checkout@v4
         with:
-          token: "${{ secrets.PAT || secrets.GITHUB_TOKEN }}"
+          fetch-depth: 0
+          sparse-checkout: |
+            docs
+            overrides
       - run: echo "🐙 ${{ github.repository }} repository was cloned to the runner."
-
       # MegaLinter Configuration
       - name: MegaLinter Run
         id: ml