chore(deps): update dependency respx to ~0.22.0

Author: renovate[bot]

poetry.lock

@@ -68,7 +68,7 @@ pytest-cov = "~6.0.0"
 pytest-only = "~2.1.0"
 pytest-timeout = "~2.3.0"
 pytest-xdist = "~3.6.0"
-respx = "~0.21.0"
+respx = "~0.22.0"
 ruff = "~0.8.0"
 setuptools = "~75.6.0"     # setuptools are used by pytest but not explicitly required