feat(poetry): relax packaging version

tox > 4.0.0 needs packaging 22.0

Author: Lee-W

pyproject.toml

@@ -64,7 +64,7 @@ termcolor = [
     { "version" = "^1.1", python = "< 3.7" },
     { "version" = ">= 1.1, < 3", python = ">= 3.7" },
 ]
-packaging = ">=19,<22"
+packaging = ">=19"
 tomlkit = ">=0.5.3,<1.0.0"
 jinja2 = ">=2.10.3"
 pyyaml = ">=3.08"