Update actions/checkout action to v6.0.2

| datasource  | package          | from   | to     |
| ----------- | ---------------- | ------ | ------ |
| github-tags | actions/checkout | v6.0.1 | v6.0.2 |

Author: renovate[bot]

.github/workflows/continuous-integration.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6.0.1
+      - uses: actions/checkout@v6.0.2
       - uses: shivammathur/setup-php@2.36.0
 
         with:
@@ -35,7 +35,7 @@ jobs:
     name: Check for Unused Dependencies
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.1
+      - uses: actions/checkout@v6.0.2
       - uses: shivammathur/setup-php@2.36.0
         with:
           php-version: ${{ env.default_php }}
@@ -48,7 +48,7 @@ jobs:
     name: Rector on Default PHP
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.1
+      - uses: actions/checkout@v6.0.2
       - uses: shivammathur/setup-php@2.36.0
         with:
           php-version: ${{ env.default_php }}