Bump invoke from 1.5.0 to 1.6.0 (#1172)

Author: dependabot[bot]

requirements/requirements_dev.txt

@@ -7,7 +7,7 @@ flake8==4.0.1
 flake8-bandit==2.1.2
 flake8-bugbear==21.11.29
 hypothesis==6.8.9
-invoke==1.5.0
+invoke==1.6.0
 placebo==0.9.0
 pre-commit==2.16.0
 pylint==2.7.4