blob store key missing for v2

[rootulp]

Problem

The blob store key isn't registered for v2

celestia-app/app/modules.go

Lines 324 to 342 in a20edd1

	2: {
	authtypes.StoreKey,
	authzkeeper.StoreKey,
	banktypes.StoreKey,
	capabilitytypes.StoreKey,
	distrtypes.StoreKey,
	evidencetypes.StoreKey,
	feegrant.StoreKey,
	govtypes.StoreKey,
	ibchost.StoreKey,
	ibctransfertypes.StoreKey,
	icahosttypes.StoreKey,
	minttypes.StoreKey,
	packetforwardtypes.StoreKey,
	signaltypes.StoreKey,
	slashingtypes.StoreKey,
	stakingtypes.StoreKey,
	upgradetypes.StoreKey,
	},

It looks like it was missed in #3320