build(deps): Bump github.com/cometbft/cometbft in /x/upgrade

Bumps [github.com/cometbft/cometbft](https://github.com/cometbft/cometbft) from 0.38.0-rc1 to 0.38.0-rc2.
- [Release notes](https://github.com/cometbft/cometbft/releases)
- [Changelog](https://github.com/cometbft/cometbft/blob/main/CHANGELOG.md)
- [Commits](cometbft/cometbft@v0.38.0-rc1...v0.38.0-rc2)

---
updated-dependencies:
- dependency-name: github.com/cometbft/cometbft
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

x/upgrade/go.mod

@@ -10,7 +10,7 @@ require (
 	cosmossdk.io/log v1.1.0
 	cosmossdk.io/store v0.1.0-alpha.1.0.20230606190835-3e18f4088b2c
 	github.com/armon/go-metrics v0.4.1
-	github.com/cometbft/cometbft v0.38.0-rc1
+	github.com/cometbft/cometbft v0.38.0-rc2
 	github.com/cosmos/cosmos-db v1.0.0
 	github.com/cosmos/cosmos-proto v1.0.0-beta.3
 	github.com/cosmos/cosmos-sdk v0.46.0-beta2.0.20230607182757-cfeb10287d61

x/upgrade/go.sum

@@ -333,8 +333,8 @@ github.com/cockroachdb/redact v1.1.4 h1:Y0XrVI2FAyofNyGveodTN//qdpPtFKcKTeCBsK3A
 github.com/cockroachdb/redact v1.1.4/go.mod h1:BVNblN9mBWFyMyqK1k3AAiSxhvhfK2oOZZ2lK+dpvRg=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
 github.com/codegangsta/inject v0.0.0-20150114235600-33e0aa1cb7c0/go.mod h1:4Zcjuz89kmFXt9morQgcfYZAYZ5n8WHjt81YYWIwtTM=
-github.com/cometbft/cometbft v0.38.0-rc1 h1:ph6smlqX82aH+d72KuxDHqu29M7LyusSp/obfGsGX/w=
-github.com/cometbft/cometbft v0.38.0-rc1/go.mod h1:5Jz0Z8YsHSf0ZaAqGvi/ifioSdVFPtEGrm8Y9T/993k=
+github.com/cometbft/cometbft v0.38.0-rc2 h1:qyEDCJ9P5uPl1qccc074PxNgcOO0UghvoIk39AM5K64=
+github.com/cometbft/cometbft v0.38.0-rc2/go.mod h1:5Jz0Z8YsHSf0ZaAqGvi/ifioSdVFPtEGrm8Y9T/993k=
 github.com/cometbft/cometbft-db v0.7.0 h1:uBjbrBx4QzU0zOEnU8KxoDl18dMNgDh+zZRUE0ucsbo=
 github.com/cometbft/cometbft-db v0.7.0/go.mod h1:yiKJIm2WKrt6x8Cyxtq9YTEcIMPcEe4XPxhgX59Fzf0=
 github.com/containerd/continuity v0.3.0 h1:nisirsYROK15TAMVukJOUyGJjz4BNQJBVsNvAXZJ/eg=