feat(scala): add in local variables queries

This syncs the queries that were updated in tree-sitter/tree-sitter-scala#196.

queries/scala/locals.scm

@@ -0,0 +1,28 @@
+(template_body) @local.scope
+(lambda_expression) @local.scope
+
+(function_declaration
+  name: (identifier) @local.definition) @local.scope
+
+(function_definition
+  name: (identifier) @local.definition)
+
+(parameter
+  name: (identifier) @local.definition)
+
+(binding
+  name: (identifier) @local.definition)
+
+(val_definition
+  pattern: (identifier) @local.definition)
+
+(var_definition
+  pattern: (identifier) @local.definition)
+
+(val_declaration
+  name: (identifier) @local.definition)
+
+(var_declaration
+  name: (identifier) @local.definition)
+
+(identifier) @local.reference