chore(python): use black==22.3.0 (#250)
chore(python): use black==22.3.0 (#250)

Source-Link: https://github.com/googleapis/synthtool/commit/6fab84af09f2cf89a031fd8671d1def6b2931b11
Post-Processor: b4a81429ecb8f29a4bd0fa6fb4a3397ff905012e@sha256:7cffbc10910c3ab1b852c05114a08d374c195a81cdec1d4a67a1d129331d0bfe
GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples