chore(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/ocm-component-check.yml

@@ -18,7 +18,7 @@ jobs:
       files: ${{ steps.set-matrix.outputs.files }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0          
 
@@ -36,7 +36,7 @@ jobs:
         file: ${{ fromJson(needs.find-files.outputs.files) }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           fetch-tags: true