bug: Make proto-gen generates invalid files

[joe-bowman]

Summary

#11452 updated the dockerfile for generating protobug files, but did not commit all affected files.

(I didn't want to include these as part of my PR for adding a feature).

Ran make proto-gen and the files that are generated fail to build:

Build Error: go test -c -o /tmp/__debug_bin1697164184 -gcflags all=-N -l .
# github.com/cosmos/cosmos-sdk/types
../../../../types/coin.pb.go:302:8: invalid argument m.Amount (type Int) for len
../../../../types/coin.pb.go:303:11: invalid argument m.Amount (type Int) for len
../../../../types/coin.pb.go:304:7: second argument to copy should be slice or string; have struct { i *big.Int }
../../../../types/coin.pb.go:305:43: invalid argument m.Amount (type Int) for len
../../../../types/coin.pb.go:339:8: invalid argument m.Amount (type Dec) for len
../../../../types/coin.pb.go:340:11: invalid argument m.Amount (type Dec) for len
../../../../types/coin.pb.go:341:7: second argument to copy should be slice or string; have struct { i *big.Int }
../../../../types/coin.pb.go:342:43: invalid argument m.Amount (type Dec) for len
../../../../types/coin.pb.go:376:8: invalid argument m.Int (type Int) for len
../../../../types/coin.pb.go:377:11: invalid argument m.Int (type Int) for len
../../../../types/coin.pb.go:377:11: too many errors (exit status 2)

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