Update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/pre-commit.yml

@@ -9,5 +9,5 @@ jobs:
     if: github.event.pull_request.draft == false
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v5.0.1
+      - uses: actions/checkout@v6.0.0
       - uses: pre-commit/action@v3.0.1

.github/workflows/publish.yml

@@ -9,7 +9,7 @@ jobs:
     deploy:
         runs-on: ubuntu-24.04
         steps:
-            - uses: actions/checkout@v5.0.1
+            - uses: actions/checkout@v6.0.0
             - name: Configure Git Credentials
               run: |
                   git config user.name github-actions[bot]