CF - Extend Cloudsplaining to ManagedIAMPolicy (bridgecrewio#1030)

* cf initial work on extending cloudsplaining

* remove todo because done aha

Allows resource=* for ecr:GetAuthorizationToken (bridgecrewio#1032)

* Allows resource=* for ecr:GetAuthorizationToken

* Moves excluded_actions to a static field

Co-authored-by: Brett Stime <steamer25@hotmail.com>

reduce the image size (bridgecrewio#1022)

The check for Storage Account naming rules produced a false positive (b…

…ridgecrewio#1018)

* The check for Storage Account naming rules produced a false positive
re.match returns an object or None so we have to check if the object is not None

* Replace re.match with re.findall

Co-authored-by: Felix Leber <felix.leber@diconium.com>

Merge pull request bridgecrewio#1016 from bridgecrewio/improve_perfor…

…mance

Improve performance

small perf enhancement

small perf enhancement (bridgecrewio#1015)

cf check as in tf (bridgecrewio#1012)

bump cloudsplaining version (bridgecrewio#1014)

activating stalebot with initial 6mo/14 days config (bridgecrewio#1011)