py(deps[test]): Add pytest-asyncio

why: Required for async test support with pytest.
what:
- Add pytest-asyncio to dev and testing dependency groups

Author: tony

pyproject.toml

@@ -78,6 +78,7 @@ dev = [
   # Testing
   "gp-libs",
   "pytest",
+  "pytest-asyncio",
   "pytest-rerunfailures",
   "pytest-mock",
   "pytest-watcher",
@@ -106,6 +107,7 @@ docs = [
 testing = [
   "gp-libs",
   "pytest",
+  "pytest-asyncio",
   "pytest-rerunfailures",
   "pytest-mock",
   "pytest-watcher",