Bump github.com/cometbft/cometbft in /tests/interchaintest

Bumps [github.com/cometbft/cometbft](https://github.com/cometbft/cometbft) from 0.38.7 to 0.38.8.
- [Release notes](https://github.com/cometbft/cometbft/releases)
- [Changelog](https://github.com/cometbft/cometbft/blob/v0.38.8/CHANGELOG.md)
- [Commits](cometbft/cometbft@v0.38.7...v0.38.8)

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

Signed-off-by: dependabot[bot] <[email protected]>

tests/interchaintest/go.mod

@@ -5,7 +5,7 @@ go 1.22.3
 require (
 	cosmossdk.io/math v1.3.0
 	github.com/avast/retry-go/v4 v4.5.1
-	github.com/cometbft/cometbft v0.38.7
+	github.com/cometbft/cometbft v0.38.8
 	github.com/cosmos/cosmos-sdk v0.50.6
 	github.com/cosmos/ibc-go/v8 v8.2.1
 	github.com/icza/dyno v0.0.0-20220812133438-f0b6f8a18845

tests/interchaintest/go.sum

@@ -352,8 +352,8 @@ github.com/cockroachdb/redact v1.1.5/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 v0.38.7 h1:ULhIOJ9+LgSy6nLekhq9ae3juX3NnQUMMPyVdhZV6Hk=
-github.com/cometbft/cometbft v0.38.7/go.mod h1:HIyf811dFMI73IE0F7RrnY/Fr+d1+HuJAgtkEpQjCMY=
+github.com/cometbft/cometbft v0.38.8 h1:XyJ9Cu3xqap6xtNxiemrO8roXZ+KS2Zlu7qQ0w1trvU=
+github.com/cometbft/cometbft v0.38.8/go.mod h1:xOoGZrtUT+A5izWfHSJgl0gYZUE7lu7Z2XIS1vWG/QQ=
 github.com/cometbft/cometbft-db v0.12.0 h1:v77/z0VyfSU7k682IzZeZPFZrQAKiQwkqGN0QzAjMi0=
 github.com/cometbft/cometbft-db v0.12.0/go.mod h1:aX2NbCrjNVd2ZajYxt1BsiFf/Z+TQ2MN0VxdicheYuw=
 github.com/containerd/continuity v0.3.0 h1:nisirsYROK15TAMVukJOUyGJjz4BNQJBVsNvAXZJ/eg=