Updated expected test output for Windows.

Author: domdfcoding

tests/test_core_/test_via_run_repo_helper_backward_stderr.txt

@@ -6,6 +6,7 @@ The following files will be committed:
   .github\workflows\docs_test_action.yml
   .github\workflows\octocheese.yml
   .github\workflows\python_ci.yml
+  .github\workflows\python_ci_linux.yml
   .github\workflows\python_ci_macos.yml
   .github\auto_assign.yml
   .github\stale.yml
@@ -27,7 +28,6 @@ The following files will be committed:
   .pylintrc
   .readthedocs.yml
   .style.yapf
-  .travis.yml
   __pkginfo__.py
   CONTRIBUTING.rst
   MANIFEST.in