Update DoltgreSQL version to 0.56.7

Author: fulghum

server/server.go

@@ -48,7 +48,7 @@ import (
 // Version should have a new line that follows, else the formatter will fail the PR created by the release GH action
 
 const (
-	Version = "0.56.4"
+	Version = "0.56.7"
 
 	DefUserName         = "postres"
 	DefUserEmail        = "postgres@somewhere.com"

servercfg/cfgdetails/testdata/minver_validation.txt

@@ -54,4 +54,18 @@ PostgresReplicationConfig *cfgdetails.PostgresReplicationConfig 0.7.4 postgres_r
 -PostgresPassword *string 0.7.4 postgres_password,omitempty
 -PostgresDatabase *string 0.7.4 postgres_database,omitempty
 -PostgresPort *int 0.7.4 postgres_port,omitempty
--SlotName *string 0.7.4 slot_name,omitempty
+-SlotName *string 0.7.4 slot_name,omitempty
+ClusterCfg *cfgdetails.DoltgresClusterConfig TBD cluster,omitempty
+-StandbyRemotes []cfgdetails.DoltgresStandbyRemoteConfig 0.0.0 standby_remotes
+--Name string 0.0.0 name
+--RemoteURLTemplate string 0.0.0 remote_url_template
+-BootstrapRole string 0.0.0 bootstrap_role
+-BootstrapEpoch int 0.0.0 bootstrap_epoch
+-RemotesAPI cfgdetails.DoltgresClusterRemotesAPIConfig 0.0.0 remotesapi
+--Addr string 0.0.0 address
+--Port int 0.0.0 port
+--TLSKey string 0.0.0 tls_key
+--TLSCert string 0.0.0 tls_cert
+--TLSCA string 0.0.0 tls_ca
+--URLMatches []string 0.0.0 server_name_urls
+--DNSMatches []string 0.0.0 server_name_dns