Fix #137407: Action properties not usable as driver variable

Add a `PARAMETERS` dependency graph component to Action data-blocks.
This is necessary for drivers to use an Action property as a variable.

Pull Request: https://projects.blender.org/blender/blender/pulls/138495

source/blender/depsgraph/intern/builder/deg_builder_nodes.cc

@@ -1305,6 +1305,10 @@ void DepsgraphNodeBuilder::build_action(bAction *action)
   if (built_map_.check_is_built_and_tag(action)) {
     return;
   }
+
+  /* To make it possible to use animation data as a variable for drivers: */
+  build_parameters(&action->id);
+
   build_idproperties(action->id.properties);
   add_operation_node(&action->id, NodeType::ANIMATION, OperationCode::ANIMATION_EVAL);
 }

source/blender/depsgraph/intern/builder/deg_builder_relations.cc

@@ -1845,6 +1845,7 @@ void DepsgraphRelationBuilder::build_action(bAction *dna_action)
 
   const BuilderStack::ScopedEntry stack_entry = stack_.trace(dna_action->id);
 
+  build_parameters(&dna_action->id);
   build_idproperties(dna_action->id.properties);
 
   blender::animrig::Action &action = dna_action->wrap();