Overwrite pull_request_target pr number

src/buildExec.ts

@@ -143,6 +143,10 @@ const buildExec = () => {
   }
   if (overridePr) {
     execArgs.push('-P', `${overridePr}`);
+  } else if (
+    `${context.eventName}` == 'pull_request_target'
+  ) {
+    execArgs.push('-P', `${context.payload.number}`);
   }
   if (overrideTag) {
     execArgs.push('-T', `${overrideTag}`);