MM-52325: Bump morph (#23394)

This is needed to implement non-transactional migrations

https://mattermost.atlassian.net/browse/MM-52325
```release-note
NONE
```

Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/store/storetest/settings.go

@@ -22,7 +22,7 @@ import (
 )
 
 const (
-	defaultMysqlDSN        = "mmuser:mostest@tcp(localhost:3306)/mattermost_test?charset=utf8mb4,utf8&readTimeout=30s&writeTimeout=30s&multiStatements=true"
+	defaultMysqlDSN        = "mmuser:mostest@tcp(localhost:3306)/mattermost_test?charset=utf8mb4,utf8&readTimeout=30s&writeTimeout=30s&multiStatements=true&maxAllowedPacket=4194304"
 	defaultPostgresqlDSN   = "postgres://mmuser:mostest@localhost:5432/mattermost_test?sslmode=disable&connect_timeout=10"
 	defaultMysqlRootPWD    = "mostest"
 	defaultMysqlReplicaDSN = "root:mostest@tcp(localhost:3307)/mattermost_test?charset=utf8mb4,utf8\u0026readTimeout=30s"