Bump actions/checkout from 6.0.2 to 6.0.3 in the github group

Bumps the github group with 1 update: [actions/checkout](https://github.com/actions/checkout).


Updates `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
  dependency-group: github
...

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

Author: dependabot[bot]

.github/workflows/check-docs.yml

@@ -26,7 +26,7 @@ jobs:
     if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
         with:
           fetch-depth: 0
       - name: Install system dependencies

.github/workflows/check_migrations_sqlite.yml

@@ -26,7 +26,7 @@ jobs:
     if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
         with:
           fetch-depth: 0
       - name: Install uv
@@ -59,7 +59,7 @@ jobs:
           echo "Acquire::Check-Valid-Until \"false\";" > /etc/apt/apt.conf.d/99archive
           apt-get -y -qq update
           apt-get install -y build-essential tcl git-lfs
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
         with:
           lfs: true
           fetch-depth: 0

.github/workflows/pre-commit.yml

@@ -32,7 +32,7 @@ jobs:
     if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
       - uses: astral-sh/setup-uv@v8.2.0
         with:
           enable-cache: true

.github/workflows/python-publish.yml

@@ -8,7 +8,7 @@ jobs:
   deploy:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
         with:
           fetch-depth: 0
       - name: Install uv

.github/workflows/tox.yml

@@ -26,7 +26,7 @@ jobs:
     if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
         with:
           fetch-depth: 0
       - name: Install uv
@@ -53,7 +53,7 @@ jobs:
       matrix:
         python-version: [3.9, '3.10', '3.11', '3.12', '3.13', '3.14']
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
       - name: Download wheel artifact
         uses: actions/download-artifact@v8.0.1
         with:
@@ -82,7 +82,7 @@ jobs:
     container:
       image: python:${{ matrix.python-version }}-buster
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
       - name: Download wheel artifact
         uses: actions/download-artifact@v8.0.1
         with:
@@ -119,7 +119,7 @@ jobs:
       matrix:
         python-version: [3.9, '3.10', '3.11', '3.12', '3.13', '3.14']
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
       - name: Download wheel artifact
         uses: actions/download-artifact@v8.0.1
         with:
@@ -153,7 +153,7 @@ jobs:
     container:
       image: python:${{ matrix.python-version }}-buster
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
       - name: Download wheel artifact
         uses: actions/download-artifact@v8.0.1
         with:
@@ -207,7 +207,7 @@ jobs:
           # Maps tcp port 5432 on service container to the host
           - 5432:5432
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
       - name: Download wheel artifact
         uses: actions/download-artifact@v8.0.1
         with:
@@ -234,7 +234,7 @@ jobs:
       matrix:
         python-version: [3.8]
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6.0.3
       - name: Download wheel artifact
         uses: actions/download-artifact@v8.0.1
         with: