Bump actions/checkout from 6.0.2 to 6.0.3

Bumps [actions/checkout](https://github.com/actions/checkout) from 6.0.2 to 6.0.3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6.0.2...v6.0.3)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -15,7 +15,7 @@ jobs:
     name: Run tests
     steps:
     - name: Checkout repo
-      uses: actions/checkout@v6.0.2
+      uses: actions/checkout@v6.0.3
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v6.2.0
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-24.04
     timeout-minutes: 15
     steps:
-    - uses: actions/checkout@v6.0.2
+    - uses: actions/checkout@v6.0.3
     - name: Set up Python
       uses: actions/setup-python@v6.2.0
       with:
@@ -53,7 +53,7 @@ jobs:
   #  runs-on: ubuntu-24.04
   #  timeout-minutes: 15
   #  steps:
-  #  - uses: actions/checkout@v6.0.2
+  #  - uses: actions/checkout@v6.0.3
   #  - name: Set up Python
   #    uses: actions/setup-python@v6.2.0
   #    with:

.github/workflows/release.yaml

@@ -18,7 +18,7 @@ jobs:
     steps:
     - name: Checkout repository
       id: repo
-      uses: actions/checkout@v6.0.2
+      uses: actions/checkout@v6.0.3
 
     - name: Set up Python
       uses: actions/setup-python@v6.2.0
@@ -46,7 +46,7 @@ jobs:
     steps:
 
       - name: checkout
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
 
       - name: Change version in repo
         run: sed -i "s/__version__ =.*/__version__ = \"${{ github.event.inputs.version }}\"/g" longbow/__init__.py
@@ -77,7 +77,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6.0.2
+        uses: actions/checkout@v6.0.3
         with:
           ref: main
 
@@ -108,7 +108,7 @@ jobs:
     steps:
 
     - name: checkout
-      uses: actions/checkout@v6.0.2
+      uses: actions/checkout@v6.0.3
       with:
         ref: main