Update pytest version in asset

This is now the version used as standard in all Arduino Tooling projects, which the "template" is intended to be used
with.

Author: per1234

workflow-templates/assets/poetry/pyproject.toml

@@ -9,7 +9,7 @@ package-mode = false
 optional = true
 
 [tool.poetry.group.pipx.dependencies]
-poetry = "2.1.3"
+poetry = "2.2.0"
 
 [tool.poetry.dependencies]
 python = "~3.9"