chore: bazel run //lib/python:requirements.update

[chickenandpork]

Update python requirements

• mac: natively
• linux:

docker run \
  -e USER="$(id -u)"  -u="$(id -u)" \
  -v $(mktemp -d):/tmp/build_output \
  -v /src/workspace:$(pwd)  -w /src/workspace \
  l.gcr.io/google/bazel:latest \
  --output_user_root=/tmp/build_output/out \
  run //lib/python:requirements.update