Switch from CircleCI to Github actions (#2411)

* initial github workflow commit

* update deploy config

* yarn

* rename ping vars

* remove var

* remove precompile assets step

* re add assets precompile

* use test url

* revert last change

* remove precompile step

* rename vars

* rename test db

* revert vars change

* remove test db

* re add db step

* revert test db config

* Add access key

* try access key in database and storage

* remove key and id

* aws

* undo

* aws keys step

* aws keys step

* aws keys step

* use parallel tests

* set coverage

* set tests and cov

* remove processors

* retry

* retry

* retry

* retry

* retry

* revert to long test

* specify ENV

* remove status

* serial

* use parallel spec

* create

* setup databases

* drop databases first

* drop databases first

* retry

* retry

* retry

* retry

* use groups

* use groups

* use groups

* use groups

* use groups

* use groups

* use groups

* use groups

* use groups

* use groups

* use groups

* use groups

* use groups

* use groups

* use groups

* use groups

* use groups

* use groups

* Add matrix

* Use job index in db name

* Create linting step

* tweak

* Use CI_JOB_INDEX

* Use TEST_ENV_NUMBER

* remove

* Separate coverage job

* Fix

* Try all jobs in one instance

* Update parallel setup

* Fix deprecation

* Make simplecov work with multiple processes

* Enable new cache format

* Remove

* Try different config

* add more

* redo test times

* Try just 4 jobs

* hard code number

* Enable coverage

* fix typo

* add QA deploy

* needs staging

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Co-authored-by: Andrew Pepler <[email protected]>