* updated docker version and git image used by circle ci + updated requirements to fix pip issues
* removing black and flake8 pytest plugins as they are outdated and using packages directly
* updated jobs to use docker and git image circle ci params
* removed trailing white spaces from README
* updated template to not use black and flake8 pytest plugins and regenerated circleci config
* updated gcp-gcr orb to the latest version
* Update requirements.in
Co-authored-by: Anna Scholtz <anna@scholtzan.net>
---------
Co-authored-by: Anna Scholtz <anna@scholtzan.net>