feat(python): add cwe-326 inadequate encryption strength rules #1405

Job	Run time
build (javascript/express)	2m 21s
build (javascript/hapi)	15s
build (javascript/lang)	3m 22s
build (javascript/node)	14s
build (javascript/react)	27s
build (javascript/third_parties)	1m 56s
build (ruby/lang)	4m 11s
build (ruby/rails)	1m 36s
build (ruby/third_parties)	3m 28s
build (java/lang)	3m 5s
build (java/spring)	19s
build (java/android)	19s
build (java/third_parties)	30s
build (php/lang)	5m 5s
build (php/symfony)	54s
build (php/third_parties)	1m 6s
build (python/django)	39s
build (python/lang)	1m 43s
build (python/third_parties)	12s
build (go/lang)	1m 1s
build (go/gosec)	2m 2s
build (go/gorilla)	13s
build (go/third_parties)	38s
	35m 36s

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