Bump github.com/cometbft/cometbft from 0.38.18 to 0.38.21

Bumps [github.com/cometbft/cometbft](https://github.com/cometbft/cometbft) from 0.38.18 to 0.38.21.
- [Release notes](https://github.com/cometbft/cometbft/releases)
- [Changelog](https://github.com/cometbft/cometbft/blob/main/CHANGELOG.md)
- [Commits](cometbft/cometbft@v0.38.18...v0.38.21)

---
updated-dependencies:
- dependency-name: github.com/cometbft/cometbft
  dependency-version: 0.38.21
  dependency-type: direct:production
...

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

Author: dependabot[bot]

go.mod

@@ -14,7 +14,7 @@ require (
 	cosmossdk.io/x/evidence v0.2.0
 	cosmossdk.io/x/feegrant v0.2.0
 	cosmossdk.io/x/upgrade v0.2.0
-	github.com/cometbft/cometbft v0.38.18
+	github.com/cometbft/cometbft v0.38.21
 	github.com/cosmos/cosmos-proto v1.0.0-beta.5
 	github.com/cosmos/cosmos-sdk v0.53.4
 	github.com/cosmos/evm v0.5.0

go.sum

@@ -808,8 +808,8 @@ github.com/cockroachdb/redact v1.1.6/go.mod h1:BVNblN9mBWFyMyqK1k3AAiSxhvhfK2oOZ
 github.com/cockroachdb/tokenbucket v0.0.0-20230807174530-cc333fc44b06 h1:zuQyyAKVxetITBuuhv3BI9cMrmStnpT18zmgmTxunpo=
 github.com/cockroachdb/tokenbucket v0.0.0-20230807174530-cc333fc44b06/go.mod h1:7nc4anLGjupUW/PeY5qiNYsdNXj7zopG+eqsS7To5IQ=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
-github.com/cometbft/cometbft v0.38.18 h1:1ZHYMdu0S75YxFM13LlPXnOwiIpUW5z9TKMQtTIALpw=
-github.com/cometbft/cometbft v0.38.18/go.mod h1:PlOQgf3jQorep+g6oVnJgtP65TJvBJoLiXjGaMdNxBE=
+github.com/cometbft/cometbft v0.38.21 h1:qcIJSH9LiwU5s6ZgKR5eRbsLNucbubfraDs5bzgjtOI=
+github.com/cometbft/cometbft v0.38.21/go.mod h1:UCu8dlHqvkAsmAFmWDRWNZJPlu6ya2fTWZlDrWsivwo=
 github.com/cometbft/cometbft-db v0.14.1 h1:SxoamPghqICBAIcGpleHbmoPqy+crij/++eZz3DlerQ=
 github.com/cometbft/cometbft-db v0.14.1/go.mod h1:KHP1YghilyGV/xjD5DP3+2hyigWx0WTp9X+0Gnx0RxQ=
 github.com/consensys/gnark-crypto v0.18.0 h1:vIye/FqI50VeAr0B3dx+YjeIvmc3LWz4yEfbWBpTUf0=