chore(dependencies): update dependency pytest-cov to v4 (#111)

renovate[bot] · web-flow · commit 239718b74550 · 2022-12-08T09:24:56.000+08:00
Co-authored-by: renovate[bot] &lt;29139614+renovate[bot]@users.noreply.github.com&gt;
diff --git a/test-requirements.txt b/test-requirements.txt
@@ -1,3 +1,3 @@
 Cython==0.29.32
 pytest==7.2.0
-pytest-cov==3.0.0
+pytest-cov==4.0.0
