chore!: bump core to v1.21.0-tm-v0.34.27 (celestiaorg#1810)

## Overview

bumps core to include the end exclusive rpc

go.mod

@@ -201,5 +201,5 @@ require (
 replace (
 	github.com/cosmos/cosmos-sdk => github.com/celestiaorg/cosmos-sdk v1.13.0-sdk-v0.46.11
 	github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
-	github.com/tendermint/tendermint => github.com/celestiaorg/celestia-core v1.20.0-tm-v0.34.27
+	github.com/tendermint/tendermint => github.com/celestiaorg/celestia-core v1.21.0-tm-v0.34.27
 )

go.sum

@@ -169,8 +169,8 @@ github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46f
 github.com/bwesterb/go-ristretto v1.2.0/go.mod h1:fUIoIZaG73pV5biE2Blr2xEzDoMj7NFEuV9ekS419A0=
 github.com/c-bata/go-prompt v0.2.2/go.mod h1:VzqtzE2ksDBcdln8G7mk2RX9QyGjH+OVqOCSiVIqS34=
 github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
-github.com/celestiaorg/celestia-core v1.20.0-tm-v0.34.27 h1:zyAhkcRNsYvt1FglnzOyw3WV9fOn4aXaXUsz87NAunk=
-github.com/celestiaorg/celestia-core v1.20.0-tm-v0.34.27/go.mod h1:8PbX2OIPehldawXWAzNWPxBPnfFtcYtjHecE45b2Beg=
+github.com/celestiaorg/celestia-core v1.21.0-tm-v0.34.27 h1:EdkqFRBypVEq/nX2ZE7KQ6dTlN8j3rEYe+WGahWuSUk=
+github.com/celestiaorg/celestia-core v1.21.0-tm-v0.34.27/go.mod h1:GVo91Wifg9KL/nFx9nPkpl0UIFdvvs4fhnly9GhGxZU=
 github.com/celestiaorg/cosmos-sdk v1.13.0-sdk-v0.46.11 h1:Rd5EvJx1nG3KurBspVN51RVmvif0Lp2UVURbG2ad3Cs=
 github.com/celestiaorg/cosmos-sdk v1.13.0-sdk-v0.46.11/go.mod h1:xCG6OUkJy5KUMEg20Zk010lra9XjkmKS3+bk0wp7bd8=
 github.com/celestiaorg/merkletree v0.0.0-20210714075610-a84dc3ddbbe4 h1:CJdIpo8n5MFP2MwK0gSRcOVlDlFdQJO1p+FqdxYzmvc=