chore: use math.Int instead of math.Int and apply linting (#12702)

* linting round

* fix changelog

* revert docs changes

* Update CHANGELOG.md

* revert an accidental change to security.md

* Update simapp/integration/client/grpc/tmservice/service_test.go

Co-authored-by: Julien Robert <julien@rbrt.fr>

testutil/network/network.go

@@ -484,7 +484,7 @@ func New(l Logger, baseDir string, cfg Config) (*Network, error) {
 			sdk.NewCoin(cfg.BondDenom, cfg.BondedTokens),
 			stakingtypes.NewDescription(nodeDirName, "", "", "", ""),
 			stakingtypes.NewCommissionRates(commission, sdk.OneDec(), sdk.OneDec()),
-			sdk.OneInt(),
+			math.OneInt(),
 		)
 		if err != nil {
 			return nil, err

testutil/sims/app_helpers.go

@@ -14,6 +14,7 @@ import (
 	dbm "github.com/tendermint/tm-db"
 
 	"cosmossdk.io/depinject"
+	"cosmossdk.io/math"
 	"github.com/cosmos/cosmos-sdk/client/flags"
 	"github.com/cosmos/cosmos-sdk/codec"
 	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
@@ -199,7 +200,7 @@ func GenesisStateWithValSet(codec codec.Codec, genesisState map[string]json.RawM
 			UnbondingHeight:   int64(0),
 			UnbondingTime:     time.Unix(0, 0).UTC(),
 			Commission:        stakingtypes.NewCommission(sdk.ZeroDec(), sdk.ZeroDec(), sdk.ZeroDec()),
-			MinSelfDelegation: sdk.ZeroInt(),
+			MinSelfDelegation: math.ZeroInt(),
 		}
 		validators = append(validators, validator)
 		delegations = append(delegations, stakingtypes.NewDelegation(genAccs[0].GetAddress(), val.Address.Bytes(), sdk.OneDec()))