Bump reva to commit after ldap bump

Fixes build

vendor/github.com/opencloud-eu/reva/v2/pkg/storage/fs/posix/tree/assimilation.go

@@ -599,6 +599,7 @@ assimilate:
 		attributes.SetInt64(prefixes.BlobsizeAttr, fi.Size())
 		attributes.SetInt64(prefixes.TypeAttr, int64(provider.ResourceType_RESOURCE_TYPE_FILE))
 	}
+	attributes.SetTime(prefixes.MTimeAttr, fi.ModTime())
 
 	n := node.New(spaceID, id, parentID, filepath.Base(path), fi.Size(), "", provider.ResourceType_RESOURCE_TYPE_FILE, nil, t.lookup)
 	n.SpaceRoot = &node.Node{SpaceID: spaceID, ID: spaceID}

vendor/github.com/opencloud-eu/reva/v2/pkg/utils/ldap/reconnect.go

@@ -344,3 +344,7 @@ func (c *ConnWithReconnect) Syncrepl(ctx context.Context, searchRequest *ldap.Se
 	// unimplemented
 	return nil
 }
+
+func (c *ConnWithReconnect) Extended(_ *ldap.ExtendedRequest) (*ldap.ExtendedResponse, error) {
+	return nil, ldap.NewError(ldap.LDAPResultNotSupported, fmt.Errorf("not implemented"))
+}