feat: Update Cosmos SDK to CometBFT v2 (#24837)

Co-authored-by: aljo242 <alex@interchainlabs.io>

math/unsafe/rand.go

@@ -136,7 +136,7 @@ func (r *Rand) Bytes(n int) []byte {
 
 // NOTE: This relies on the os's random number generator.
 // For real security, we should salt that with some seed.
-// See github.com/cometbft/cometbft/crypto for a more secure reader.
+// See github.com/cometbft/cometbft/v2/crypto for a more secure reader.
 func cRandBytes(numBytes int) []byte {
 	b := make([]byte, numBytes)
 	_, err := crand.Read(b)