chore: Bump actions/checkout from 5 to 6 (#68)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/qa.yml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
     - name: Clone repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: Use PHP
       uses: shivammathur/setup-php@v2
       with:

.github/workflows/release.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
     - name: Clone repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: '0'
     - name: Use PHP