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

Author: renovate[bot]

.github/workflows/merge-master.yaml

@@ -21,7 +21,7 @@ jobs:
       release_notes: ${{ steps.semantic.outputs.new_release_notes }}
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         token: ${{ secrets.ACCESS_TOKEN }}
 

.github/workflows/pull-request.yaml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Setup Go
       uses: actions/setup-go@v6

.github/workflows/sonarqube.yaml

@@ -16,7 +16,7 @@ jobs:
     - ubuntu-24.04
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0