build(deps): bump requests from 2.28.1 to 2.31.0 in /synthtool/gcp/templates/python_library/.kokoro (#500)

Source-Link: https://github.com/googleapis/synthtool/commit/30bd01b4ab78bf1b2a425816e15b3e7e090993dd
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:9bc5fa3b62b091f60614c08a7fb4fd1d3e1678e326f34dd66ce1eefb5dc3267b

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
2 files changed