Bump coverage from 6.0.2 to 6.1.1 (#446)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

poetry.lock

@@ -34,7 +34,7 @@ backoff = ">=1.9.0"
 aresponses = "^2.1.4"
 black = "^21.10b0"
 blacken-docs = "^1.11.0"
-coverage = {version = "^6.0", extras = ["toml"]}
+coverage = {version = "^6.1", extras = ["toml"]}
 flake8 = "^4.0.1"
 flake8-docstrings = "^1.5.0"
 isort = "^5.9.3"