chore(deps): update actions/checkout action to v6.0.3

Author: renovate[bot]

.github/workflows/check-eol-newrelease.yml

@@ -15,7 +15,7 @@ jobs:
     if: github.repository == 'line/line-bot-sdk-php'
     steps:
       - name: Check out code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Run EoL & NewRelease check
         uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0

.github/workflows/create-draft-release.yml

@@ -45,7 +45,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Fetch Latest Release
         id: get-latest-release
         uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0

.github/workflows/generate-code.yml

@@ -17,7 +17,7 @@ jobs:
       pull-requests: write
     steps:
       # Setup
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           submodules: recursive
       - name: Update submodules

.github/workflows/label-issue.yml

@@ -13,7 +13,7 @@ jobs:
     permissions:
       issues: write
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Add label on issue open
         if: github.event.action == 'opened' || github.event.action == 'reopened'

.github/workflows/php-checks.yml

@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           submodules: recursive
       - name: Set up PHP ${{ matrix.php }}
@@ -88,7 +88,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Run pinact
         uses: suzuki-shunsuke/pinact-action@896d595f299e71d65b9d28349d6956abe144390a # v3.0.0
         with:

.github/workflows/release.yml

@@ -25,7 +25,7 @@ jobs:
       issues: write
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Setup Pages
         uses: actions/configure-pages@45bfe0192ca1faeb007ade9deae92b16b8254a0d # v6.0.0
       - name: Upload artifact