feat(python): add cwe-328 weak hash rules #1363

Job	Run time
build (javascript/express)	2m 7s
build (javascript/hapi)	15s
build (javascript/lang)	3m 25s
build (javascript/node)	15s
build (javascript/react)	28s
build (javascript/third_parties)	1m 54s
build (ruby/lang)	4m 13s
build (ruby/rails)	1m 35s
build (ruby/third_parties)	3m 22s
build (java/lang)	2m 58s
build (java/spring)	17s
build (java/android)	15s
build (java/third_parties)	31s
build (php/lang)	5m 1s
build (php/symfony)	55s
build (php/third_parties)	1m 9s
build (python/django)	25s
build (python/lang)	57s
build (go/lang)	59s
build (go/gosec)	2m 6s
build (go/gorilla)	17s
build (go/third_parties)	43s
	34m 7s

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