chore: downgrade tendermint and update go (#514)

* chore: downgrade tendermint

* update changelog and workflows

.github/workflows/lint.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.17
+          go-version: 1.18
       - uses: technote-space/get-diff-action@v6.0.1
         id: git_diff
         with:

CHANGELOG.md

@@ -2,15 +2,24 @@
 
 ## Unreleased
 
+### Breaking Changes
+
+- [\514](https://github.com/cosmos/iavl/pull/514) Downgrade Tendermint to 0.34.x
+
+### Improvements
+
+- [\514](https://github.com/cosmos/iavl/pull/514) Use Go v1.18
+
 ## 0.18.0 (March 10, 2022)
 
 ### Breaking Changes
+
 - Bumped Tendermint to 0.35.1
 
 ### Improvements
 
 - [\#468](https://github.com/cosmos/iavl/pull/468) Fast storage optimization for queries and iterations
-- [\#452](https://github.com/cosmos/iavl/pull/452) Optimization: remove unnecessary (*bytes.Buffer).Reset right after creating buffer.
+- [\#452](https://github.com/cosmos/iavl/pull/452) Optimization: remove unnecessary (\*bytes.Buffer).Reset right after creating buffer.
 - [\#445](https://github.com/cosmos/iavl/pull/445) Bump github.com/tendermint/tendermint to v0.35.0
 - [\#453](https://github.com/cosmos/iavl/pull/453),[\#456](https://github.com/cosmos/iavl/pull/456) Optimization: buffer reuse
 - [\#474](https://github.com/cosmos/iavl/pull/474) bump github.com/confio/ics23 to v0.7

go.mod

@@ -1,14 +1,14 @@
 module github.com/cosmos/iavl
 
-go 1.17
+go 1.18
 
 require (
 	github.com/confio/ics23/go v0.7.0
 	github.com/gogo/protobuf v1.3.2
 	github.com/golang/mock v1.6.0
 	github.com/pkg/errors v0.9.1
 	github.com/stretchr/testify v1.7.2
-	github.com/tendermint/tendermint v0.35.7
+	github.com/tendermint/tendermint v0.34.19
 	github.com/tendermint/tm-db v0.6.6
 	golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e
 )