Keep the contribution lockfile owned by current-master CI

Retain the separately resolved qualification lock without submitting it in the runtime PR.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

pnpm-lock.yaml

@@ -1043,6 +1043,9 @@ importers:
       open:
         specifier: ^11.0.4
         version: 11.0.4
+      opencode-ai:
+        specifier: 1.18.34
+        version: 1.18.34
       pino:
         specifier: ^10.0.0
         version: 10.3.1