Add missing curly bracket (neo4j#1079)

Author: JPryce-Aklundh

modules/ROOT/pages/deprecations-additions-removals-compatibility.adoc

@@ -427,7 +427,7 @@ label:functionality[]
 label:updated[]
 [source, cypher, role="noheader"]
 ----
-CREATE (n:Label {property: 'name'}, 
+CREATE (n:Label {property: 'name'}), 
 ()-[r:REL_TYPE]->()
 ----
 | Neo4j's link:{neo4j-docs-base-uri}/operations-manual/{page-version}/database-internals/store-formats/#store-format-overview[block format] now implements xref:appendix/gql-conformance/index.adoc[GQL's] limit on the maximum length of identifiers.