Update github actions coverage path

Committed via https://github.com/asottile/all-repos

.github/workflows/tests.yml

@@ -110,6 +110,7 @@ jobs:
         with:
           name: coverage-data-${{ matrix.python }}-${{ matrix.os }}
           path: ".coverage.*"
+          include-hidden-files: true
 
       - name: Upload documentation
         if: matrix.session == 'docs-build'