document deprecation of graph names with unesacped dots in USE clauses

Author: nadja-muller

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

@@ -150,6 +150,16 @@ CREATE DATABASE db OPTIONS { storeFormat: 'high_limit' }
 | The `standard` and `high_limit` store formats have been deprecated.
 Creating databases with these formats is therefore also deprecated.
 For more information on the deprecation of these formats, see link:{neo4j-docs-base-uri}/operations-manual/{page-version}/database-internals/store-formats/#format-deprecations[Store formats -> Format deprecations].
+
+a|
+label:functionality[]
+label:deprecated[]
+[source, cypher, role="noheader"]
+----
+USE my.db ...
+
+----
+| In USE clauses, databases and aliases with unescaped `.` are deprecated unless to indicate that they belong to a composite database. Names containing `.` should be escaped. In the above example, E.g. USE `my.db` ...)
 |===