fix typo (#165)

Author: Zethson

{{cookiecutter.project_name}}/.github/workflows/sync.yaml

@@ -36,7 +36,7 @@ jobs:
                   title: Automated template update from cookiecutter-scverse
                   body: |
                       A new version of the [scverse cookiecutter template](https://github.com/scverse/cookiecutter-scverse/releases)
-                      got released. This PR adds all new changes to your repository and helps to to stay in sync with
+                      got released. This PR adds all new changes to your repository and helps to stay in sync with
                       the latest best-practice template maintained by the scverse team.
 
                       **If a merge conflict arised, a `.rej` file with the rejected patch is generated. You'll need to