ci(deps): Update actions/checkout action to v6 (#650)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/create-release.yml

@@ -9,7 +9,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/test-apps.yml

@@ -34,11 +34,11 @@ jobs:
       !contains(github.event.head_commit.author.name, '[bot]')
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 2
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           repository: ecomplus/store
           path: store