address some of pads feedback

Author: salolivares

semgrep_output_v1.atd

@@ -1712,13 +1712,13 @@ type dependency_resolution_stats = {
 
 type subproject_stats = {
   (* Files used to determine the subproject's dependencies (lockfiles, manifest files, etc) *)
-  dependency_source_files: string list;
+  dependency_source_files: fpath list;
   (* Results of dependency resolution, null if resolution failed *)
-  resolved_stats: dependency_resolution_stats nullable;
+  resolved_stats: dependency_resolution_stats option;
 }
 
 type supply_chain_stats = {
-  subproject_stats: subproject_stats list;
+  subprojects_stats: subproject_stats list;
 }
 
 type parsing_stats = {