MM-53228: Adding schema version to cluster info (#24209)

With the schema version available, a job can query for
the cluster info to confirm whether or not all nodes
in a cluster are upgraded to the same version or not.

This will help it in determining whether to start
the job or not.

https://mattermost.atlassian.net/browse/MM-53228

```release-note
NONE
```

server/channels/store/storetest/store.go

@@ -114,17 +114,18 @@ func (s *Store) PostAcknowledgement() store.PostAcknowledgementStore {
 func (s *Store) PostPersistentNotification() store.PostPersistentNotificationStore {
 	return &s.PostPersistentNotificationStore
 }
-func (s *Store) MarkSystemRanUnitTests()            { /* do nothing */ }
-func (s *Store) Close()                             { /* do nothing */ }
-func (s *Store) LockToMaster()                      { /* do nothing */ }
-func (s *Store) UnlockFromMaster()                  { /* do nothing */ }
-func (s *Store) DropAllTables()                     { /* do nothing */ }
-func (s *Store) GetDbVersion(bool) (string, error)  { return "", nil }
-func (s *Store) GetInternalMasterDB() *sql.DB       { return nil }
-func (s *Store) GetInternalReplicaDB() *sql.DB      { return nil }
-func (s *Store) GetInternalReplicaDBs() []*sql.DB   { return nil }
-func (s *Store) RecycleDBConnections(time.Duration) {}
-func (s *Store) GetDBSchemaVersion() (int, error)   { return 1, nil }
+func (s *Store) MarkSystemRanUnitTests()             { /* do nothing */ }
+func (s *Store) Close()                              { /* do nothing */ }
+func (s *Store) LockToMaster()                       { /* do nothing */ }
+func (s *Store) UnlockFromMaster()                   { /* do nothing */ }
+func (s *Store) DropAllTables()                      { /* do nothing */ }
+func (s *Store) GetDbVersion(bool) (string, error)   { return "", nil }
+func (s *Store) GetInternalMasterDB() *sql.DB        { return nil }
+func (s *Store) GetInternalReplicaDB() *sql.DB       { return nil }
+func (s *Store) GetInternalReplicaDBs() []*sql.DB    { return nil }
+func (s *Store) RecycleDBConnections(time.Duration)  {}
+func (s *Store) GetDBSchemaVersion() (int, error)    { return 1, nil }
+func (s *Store) GetLocalSchemaVersion() (int, error) { return 1, nil }
 func (s *Store) GetAppliedMigrations() ([]model.AppliedMigration, error) {
 	return []model.AppliedMigration{}, nil
 }