ci(deps): bump actions/checkout from 5 to 6 (#74)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/python-ci.yml

@@ -36,7 +36,7 @@ jobs:
     name: "Dry run Commitizen bump"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Create bump and changelog