Update actions/checkout action to v6.0.3

Author: renovate[bot]

.github/workflows/actionlint.yml

@@ -9,7 +9,7 @@ jobs:
     name: runner / actionlint
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
 
       - name: actionlint
         uses: reviewdog/action-actionlint@v1.72.0

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
 
     runs-on: windows-2025
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
         with:
           submodules: true
 
@@ -125,7 +125,7 @@ jobs:
     runs-on: ${{ matrix.ghimage }}
 
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
         with:
           submodules: true
 
@@ -219,7 +219,7 @@ jobs:
     runs-on: ${{ matrix.ghimage }}
 
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
         with:
           submodules: true
 
@@ -290,7 +290,7 @@ jobs:
     runs-on: ${{ matrix.ghimage }}
 
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
         with:
           submodules: true
 

.github/workflows/rendering.yml

@@ -16,7 +16,7 @@ jobs:
       pull-requests: write
 
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
         with:
           submodules: true
 

.github/workflows/review.yml

@@ -33,7 +33,7 @@ jobs:
     runs-on: ${{ matrix.ghimage }}
 
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
         with:
           submodules: true