* add generation of pulsar files

* remove wrong import

* remove code that should come in a different PR

* update pulsar files

* api go mod tidy

* chore: consolidate protogen scripts

* proto: add override to buf.gen.pulsar for cosmos-sdk

* chore: go mod tidy api

* proto: use protobuf/types/known/anypb

* chore: tidy api mod.

* proto: rm go-grpc plugin for pulsar

* chore: go mod tidy api

* github: add workflow to at least sanity check that api mod builds on modifications.

* wip: add opt for ics23, rebuild pulsar. Comment out imports for time being.

* deps: replace with go psuedoversion of pulsar ics23 temp branch

* Update api/go.mod

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Co-authored-by: Damian Nolan <[email protected]>
Co-authored-by: DimitrisJim <[email protected]>