Java/Ruby/Rust/QL: add overlayChangedFiles relation to dbscheme

ruby/ql/lib/ruby.dbscheme

@@ -114,6 +114,10 @@ databaseMetadata(
   string value: string ref
 );
 
+overlayChangedFiles(
+  string path: string ref
+);
+
 /*- Ruby dbscheme -*/
 @ruby_underscore_arg = @ruby_assignment | @ruby_binary | @ruby_conditional | @ruby_operator_assignment | @ruby_range | @ruby_unary | @ruby_underscore_primary
 

ruby/ql/lib/ruby.dbscheme.stats

@@ -21557,6 +21557,17 @@
                 </dep>
             </dependencies>
         </relation>
+        <relation>
+            <name>overlayChangedFiles</name>
+            <cardinality>50</cardinality>
+            <columnsizes>
+                <e>
+                    <k>path</k>
+                    <v>50</v>
+                </e>
+            </columnsizes>
+            <dependencies/>
+        </relation>
         <relation>
             <name>yaml_aliases</name>
             <cardinality>0</cardinality>