Update coverage from 5.4 to 5.5 (#508)

pyup-bot · web-flow · commit 617c0d2ff4db · 2021-03-01T14:59:37.000+05:30
diff --git a/requirements-testing.txt b/requirements-testing.txt
@@ -1,5 +1,5 @@
 python-coveralls==2.9.3
-coverage==5.4
+coverage==5.5
 flake8==3.8.4
 pytest==6.2.2
 pytest-cov==2.11.1
