Bump invoke from 1.7.3 to 2.2.0

Bumps [invoke](https://github.com/pyinvoke/invoke) from 1.7.3 to 2.2.0.
- [Commits](pyinvoke/invoke@1.7.3...2.2.0)

---
updated-dependencies:
- dependency-name: invoke
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -1,3 +1,3 @@
 cffi==1.15.1
-invoke==1.7.3
+invoke==2.2.0
 pycparser==2.21