chore: add pob types so testnet gov can be unmarshalled

[puneet2019]

No description provided.

[github-actions]

Coverage after merging puneet/add-pobtypes into main

60.26%

Coverage Report

File	Branches	Funcs	Lines	Uncovered Lines
simapp
test_helpers.go	100%	100%	18.14%	..., 51, 52, 98, 99
app.go	100%	100%	84.37%	..., 837, 838, 839, 840
encoding.go	100%	100%	100%
test_suite.go	100%	100%	0%	..., 50, 51, 52, 54
genesis_account.go	100%	100%	100%
export.go	100%	100%	14.18%	..., 96, 97, 98, 99
genesis.go	100%	100%	0%	19, 20, 21
simapp/params
proto.go	100%	100%	100%
simapp/simd
main.go	100%	100%	0%	..., 21, 22, 23, 24
simapp/simd/cmd
genaccounts.go	100%	100%	70.45%	..., 95, 97, 98, 99
root.go	100%	100%	80.89%	..., 68, 71, 72, 91
utils
cache_ctx.go	100%	100%	69.44%	..., 54, 55, 56, 57
epoch.go	100%	100%	100%
x/epochs
module.go	100%	100%	78.57%	..., 79, 83, 84, 85
x/epochs/client/cli
query.go	100%	100%	0%	..., 95, 96, 97, 99
x/epochs/keeper
keeper.go	100%	100%	92.86%	30
epoch.go	100%	100%	85.71%	..., 26, 62, 88, 93
hooks.go	100%	100%	100%
abci.go	100%	100%	100%
grpc_query.go	100%	100%	38.46%	..., 51, 53, 54, 55
genesis.go	100%	100%	90.91%	14
x/epochs/types
genesis.go	100%	100%	0%	..., 74, 75, 76, 77
hooks.go	100%	100%	100%
x/halving
autocli.go	100%	100%	100%
abci.go	100%	100%	15.38%	..., 49, 50, 51, 52
module.go	100%	100%	73.13%	..., 70, 74, 75, 76
genesis.go	100%	100%	77.78%	16, 24
x/halving/client/cli
tx.go	100%	100%	54.76%	..., 59, 60, 61, 63
x/halving/keeper
keeper.go	100%	100%	48.89%	..., 90, 94, 95, 96
grpc_query.go	100%	100%	0%	..., 21, 22, 23, 25
msg_server.go	100%	100%	30%	..., 34, 35, 36, 38
x/halving/simulation
genesis.go	100%	100%	70%	17, 18, 19
x/halving/types
params.go	100%	100%	85.29%	23, 24, 25, 43, 44
genesis.go	100%	100%	86.67%	25, 26
msg.go	100%	100%	0%	..., 53, 54, 55, 57
codec.go	100%	100%	53.33%	..., 44, 45, 46, 47
x/lsm/distribution
codec.go	100%	100%	100%
x/lsm/staking
codec.go	100%	100%	100%
x/pob/types
codec.go	100%	100%	0%	..., 40, 41, 42, 43
msgs.go	100%	100%	0%	..., 37, 40, 41, 42