LSM on v0.45.16-ics

[sampocs]

opening on behalf of notional!

This PR contains:

• a backport of the lsm to sdk v0.45.16-ics suited for use on the cosmos hub
• a matrix test github action for running tests on mac and linux
• dependabot configuration

[faddat]

hey @DongLieu thanks so much for your work here. Firing off ci now.

[faddat]

I think I'll be disabling whatever depguard is....