build: bump packaging to 22 to allow 21.0

Author: trend-peter-wu

pyproject.toml

@@ -49,7 +49,7 @@ questionary = "^1.4.0"
 decli = "^0.5.2"
 colorama = "^0.4.1"
 termcolor = "^1.1"
-packaging = ">=19,<21"
+packaging = ">=19,<22"
 tomlkit = ">=0.5.3,<1.0.0"
 jinja2 = ">=2.10.3"
 pyyaml = ">=3.08"