chore(python): use black==22.3.0 (#1376)

Author: parthea

synthtool/gcp/templates/python_library/noxfile.py.j2

@@ -24,7 +24,7 @@ import shutil
 import nox
 
 
-BLACK_VERSION = "black==19.10b0"
+BLACK_VERSION = "black==22.3.0"
 BLACK_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
 
 DEFAULT_PYTHON_VERSION="{{ default_python_version }}"

synthtool/gcp/templates/python_samples/noxfile.py.j2

@@ -29,7 +29,7 @@ import nox
 # WARNING - WARNING - WARNING - WARNING - WARNING
 # WARNING - WARNING - WARNING - WARNING - WARNING
 
-BLACK_VERSION = "black==19.10b0"
+BLACK_VERSION = "black==22.3.0"
 
 # Copy `noxfile_config.py` to your directory and modify it instead.