build(deps): bump certifi from 2022.9.24 to 2022.12.7 in /.kokoro#4

dependabot[bot] wants to merge 1 commit intomaintenanceHeroku-1/google-cloud-python:maintenancefrom

dependabot/pip/dot-kokoro/certifi-2022.12.7Heroku-1/google-cloud-python:dependabot/pip/dot-kokoro/certifi-2022.12.7Copy head branch name to clipboard