🔧 MAINTAIN: Fix CodeCov CI

Author: chrisjsewell

.github/workflows/tests.yml

@@ -47,7 +47,7 @@ jobs:
       run: |
         pytest --cov=sphinx_tabs --cov-report=xml --cov-report=term-missing
     - name: Upload to Codecov
-      if: matrix.python-version == 3.7 && matrix.sphinx == '>=3,<=4' && github.repository == 'executablebooks/sphinx-tabs'
+      if: matrix.python-version == 3.7 && matrix.sphinx == '>=3,<4' && github.repository == 'executablebooks/sphinx-tabs'
       uses: codecov/codecov-action@v1
       with:
         name: sphinx-tabs-pytests-py3.7