feat(python): AWS DynamoDB / SimpleDB NoSQLi (CWE 943) #1381

Job	Run time
build (javascript/express)	2m 10s
build (javascript/hapi)	18s
build (javascript/lang)	3m 18s
build (javascript/node)	17s
build (javascript/react)	26s
build (javascript/third_parties)	1m 54s
build (ruby/lang)	4m 8s
build (ruby/rails)	1m 35s
build (ruby/third_parties)	3m 22s
build (java/lang)	3m 1s
build (java/spring)	18s
build (java/android)	14s
build (java/third_parties)	30s
build (php/lang)	5m 8s
build (php/symfony)	53s
build (php/third_parties)	1m 4s
build (python/django)	26s
build (python/lang)	1m 4s
build (python/third_parties)	13s
build (go/lang)	58s
build (go/gosec)	2m 7s
build (go/gorilla)	17s
build (go/third_parties)	38s
	34m 19s

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