build(deps): Bump github.com/cosmos/iavl from 0.15.3 to 0.16.0 (#6421)

Bumps [github.com/cosmos/iavl](https://github.com/cosmos/iavl) from 0.15.3 to 0.16.0.
- [Release notes](https://github.com/cosmos/iavl/releases)
- [Changelog](https://github.com/cosmos/iavl/blob/master/CHANGELOG.md)
- [Commits](https://github.com/cosmos/iavl/compare/v0.15.3...v0.16.0)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -9,7 +9,7 @@ require (
 	github.com/btcsuite/btcd v0.21.0-beta
 	github.com/btcsuite/btcutil v1.0.2
 	github.com/confio/ics23/go v0.6.6
-	github.com/cosmos/iavl v0.15.3
+	github.com/cosmos/iavl v0.16.0
 	github.com/fortytw2/leaktest v1.3.0
 	github.com/go-kit/kit v0.10.0
 	github.com/go-logfmt/logfmt v0.5.0

go.sum

@@ -100,8 +100,9 @@ github.com/cosmos/go-bip39 v0.0.0-20180819234021-555e2067c45d h1:49RLWk1j44Xu4fj
 github.com/cosmos/go-bip39 v0.0.0-20180819234021-555e2067c45d/go.mod h1:tSxLoYXyBmiFeKpvmq4dzayMdCjCnu8uqmCysIGBT2Y=
 github.com/cosmos/iavl v0.15.0-rc3.0.20201009144442-230e9bdf52cd/go.mod h1:3xOIaNNX19p0QrX0VqWa6voPRoJRGGYtny+DH8NEPvE=
 github.com/cosmos/iavl v0.15.0-rc5/go.mod h1:WqoPL9yPTQ85QBMT45OOUzPxG/U/JcJoN7uMjgxke/I=
-github.com/cosmos/iavl v0.15.3 h1:xE9r6HW8GeKeoYJN4zefpljZ1oukVScP/7M8oj6SUts=
 github.com/cosmos/iavl v0.15.3/go.mod h1:OLjQiAQ4fGD2KDZooyJG9yz+p2ao2IAYSbke8mVvSA4=
+github.com/cosmos/iavl v0.16.0 h1:ICIOB8xysirTX27GmVAaoeSpeozzgSu9d49w36xkVJA=
+github.com/cosmos/iavl v0.16.0/go.mod h1:2A8O/Jz9YwtjqXMO0CjnnbTYEEaovE8jWcwrakH3PoE=
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
@@ -502,6 +503,7 @@ github.com/tecbot/gorocksdb v0.0.0-20191217155057-f0fad39f321c/go.mod h1:ahpPrc7
 github.com/tendermint/tendermint v0.34.0-rc4/go.mod h1:yotsojf2C1QBOw4dZrTcxbyxmPUrT4hNuOQWX9XUwB4=
 github.com/tendermint/tendermint v0.34.0-rc6/go.mod h1:ugzyZO5foutZImv0Iyx/gOFCX6mjJTgbLHTwi17VDVg=
 github.com/tendermint/tendermint v0.34.0/go.mod h1:Aj3PIipBFSNO21r+Lq3TtzQ+uKESxkbA3yo/INM4QwQ=
+github.com/tendermint/tendermint v0.34.10/go.mod h1:aeHL7alPh4uTBIJQ8mgFEE8VwJLXI1VD3rVOmH2Mcy0=
 github.com/tendermint/tm-db v0.6.2/go.mod h1:GYtQ67SUvATOcoY8/+x6ylk8Qo02BQyLrAs+yAcLvGI=
 github.com/tendermint/tm-db v0.6.3/go.mod h1:lfA1dL9/Y/Y8wwyPp2NMLyn5P5Ptr/gvDFNWtrCWSf8=
 github.com/tendermint/tm-db v0.6.4 h1:3N2jlnYQkXNQclQwd/eKV/NzlqPlfK21cpRRIx80XXQ=