Add v10 upgrade boilerplate (#1649)

## What is the purpose of the change

Unblock #1638

app/upgrades/v10/constants.go

@@ -0,0 +1,16 @@
+package v9
+
+import (
+	"github.com/osmosis-labs/osmosis/v7/app/upgrades"
+
+	store "github.com/cosmos/cosmos-sdk/store/types"
+)
+
+// UpgradeName defines the on-chain upgrade name for the Osmosis v9 upgrade.
+const UpgradeName = "v10"
+
+var Upgrade = upgrades.Upgrade{
+	UpgradeName:          UpgradeName,
+	CreateUpgradeHandler: CreateUpgradeHandler,
+	StoreUpgrades:        store.StoreUpgrades{},
+}

app/upgrades/v10/upgrades.go

@@ -0,0 +1,20 @@
+package v9
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/module"
+	upgradetypes "github.com/cosmos/cosmos-sdk/x/upgrade/types"
+
+	"github.com/osmosis-labs/osmosis/v7/app/keepers"
+)
+
+func CreateUpgradeHandler(
+	mm *module.Manager,
+	configurator module.Configurator,
+	keepers *keepers.AppKeepers,
+) upgradetypes.UpgradeHandler {
+	return func(ctx sdk.Context, plan upgradetypes.Plan, fromVM module.VersionMap) (module.VersionMap, error) {
+		// TODO: This upgrade is blocked on https://github.com/cosmos/cosmos-sdk/pull/11800
+		return mm.RunMigrations(ctx, configurator, fromVM)
+	}
+}