Codecov only for python 3.12

Author: heerener

.github/workflows/test.yml

@@ -29,7 +29,7 @@ jobs:
     - name: Run tox
       run: tox
     - name: "Upload coverage to Codecov"
-      if: ${{matrix.python-version == '3.11'}}
+      if: ${{matrix.python-version == '3.12'}}
       uses: codecov/codecov-action@v4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}