chore: bump invoke from 1.7.3 to 2.0.0 in /tests

Bumps [invoke](https://github.com/pyinvoke/invoke) from 1.7.3 to 2.0.0.
- [Release notes](https://github.com/pyinvoke/invoke/releases)
- [Commits](https://github.com/pyinvoke/invoke/compare/1.7.3...2.0.0)

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

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

tests/requirements_py3.txt

@@ -7,7 +7,7 @@ cryptography==38.0.4
 filelock==3.9.0
 idna==3.4
 iniconfig==1.1.1
-invoke==1.7.3
+invoke==2.0.0
 packaging==22.0
 pathlib2==2.3.7.post1
 pluggy==1.0.0