Update dependency coverage to v5.5 (#43)

renovate[bot] · renovate-bot · web-flow · commit b7f96e72a7f8 · 2021-06-19T20:36:09.000-07:00
Co-authored-by: Renovate Bot &lt;bot@renovateapp.com&gt;
diff --git a/requirements/test.txt b/requirements/test.txt
@@ -1,2 +1,2 @@
-coverage==5.4
+coverage==5.5
 pytest==6.2.2
