build(poetry): relax termcolor dependency to allow 2.x under supported Python versions

Author: jakob-keller

pyproject.toml

@@ -60,7 +60,10 @@ python = "^3.6.2"
 questionary = "^1.4.0"
 decli = "^0.5.2"
 colorama = "^0.4.1"
-termcolor = "^1.1"
+termcolor = [
+    { "version" = "^1.1", python = "< 3.7" },
+    { "version" = ">= 1.1, < 3", python = ">= 3.7" },
+]
 packaging = ">=19,<22"
 tomlkit = ">=0.5.3,<1.0.0"
 jinja2 = ">=2.10.3"