Add correct signatures for operators in amazon provider package

[ephraimbuddy]

This PR closes part of #9942, It enforces keyword-only arguments for amazon provider operators

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[codecov-commenter]

Codecov Report

Merging #10167 into master will increase coverage by 28.92%.
The diff coverage is 49.36%.

@@             Coverage Diff             @@
##           master   #10167       +/-   ##
===========================================
+ Coverage    6.22%   35.14%   +28.92%     
===========================================
  Files         946     1037       +91     
  Lines       45695    49927     +4232     
===========================================
+ Hits         2846    17549    +14703     
+ Misses      42849    32378    -10471     

Flag	Coverage Δ
#mysql-tests-Integration-3.7-5.7	34.78% <48.78%> (?)
#mysql-tests-Integration-3.8-5.7	35.04% <49.39%> (?)
#postgres-tests-Integration-3.6-10	34.76% <48.78%> (?)
#postgres-tests-Integration-3.6-9.6	34.76% <48.78%> (?)
#postgres-tests-Integration-3.7-10	34.76% <48.78%> (?)
#postgres-tests-Integration-3.7-9.6	34.76% <48.78%> (?)
#sqlite-tests-Integration-3.6	34.21% <43.42%> (?)
#sqlite-tests-Integration-3.8	34.47% <44.09%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
airflow/api/auth/backend/default.py	0.00% <0.00%> (-69.24%)	⬇️
airflow/api/auth/backend/deny_all.py	0.00% <0.00%> (ø)
airflow/api/client/json_client.py	0.00% <0.00%> (ø)
airflow/cli/commands/db_command.py	36.17% <ø> (+36.17%)	⬆️
airflow/cli/commands/info_command.py	35.67% <ø> (+35.67%)	⬆️
airflow/cli/commands/task_command.py	23.71% <0.00%> (+23.71%)	⬆️
airflow/config_templates/default_celery.py	52.94% <ø> (+52.94%)	⬆️
...rflow/config_templates/default_webserver_config.py	0.00% <0.00%> (ø)
airflow/contrib/__init__.py	0.00% <0.00%> (ø)
...low/contrib/hooks/azure_container_instance_hook.py	0.00% <ø> (ø)
... and 966 more

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