Rework s3_event_config lambda to index configs from s3 prefix/suffix #506

Job	Run time
Run pre-commit hooks against all files	11s
Upload files to S3 bucket in development	1m 41s
Runs unit tests that are not dependent on aws-glue package resources	17m 52s
Build and push testing docker images to the pytest ECR repository. (aws_glue_3, tests/Dockerfile....	2m 1s
Build and push testing docker images to the pytest ECR repository. (aws_glue_4, tests/Dockerfile....	2m 30s
Run Pytest unit tests for AWS glue (aws_glue_3)	1m 54s
Run Pytest unit tests for AWS glue (aws_glue_4)	6m 42s
Deploys branch using sceptre	3m 19s
Triggers ETL workflow with S3 test files	51s
Deploys to staging of prod using sceptre	0s
Triggers staging workflow with production data	0s
	37m 1s

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