build(deps): Bump golang.org/x/sync

Bumps [golang.org/x/sync](https://github.com/golang/sync) from 0.0.0-20220513210516-0976fa681c29 to 0.16.0.
- [Commits](https://github.com/golang/sync/commits/v0.16.0)

---
updated-dependencies:
- dependency-name: golang.org/x/sync
  dependency-version: 0.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

go.mod

@@ -1,6 +1,6 @@
 module github.com/tendermint/tendermint
 
-go 1.17
+go 1.23.0
 
 require (
 	github.com/BurntSushi/toml v1.2.0
@@ -31,7 +31,7 @@ require (
 	github.com/tendermint/tm-db v0.6.6
 	golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e
 	golang.org/x/net v0.0.0-20220617184016-355a448f1bc9
-	golang.org/x/sync v0.0.0-20220513210516-0976fa681c29
+	golang.org/x/sync v0.16.0
 	google.golang.org/grpc v1.48.0
 	pgregory.net/rapid v0.4.8
 )
@@ -246,6 +246,4 @@ require (
 	github.com/syndtr/goleveldb v1.0.1-0.20200815110645-5c35d600f0ca
 )
 
-retract (
-	[v0.35.0,v0.35.9] // See https://github.com/tendermint/tendermint/discussions/9155
-)
+retract [v0.35.0, v0.35.9] // See https://github.com/tendermint/tendermint/discussions/9155