chore: bump opencode submodule for bun.lock policy docs

pRizz · pRizz · commit c6e600300e6f · 2026-02-09T08:47:33.000-06:00
diff --git a/packages/opencode b/packages/opencode
@@ -1 +1 @@
-Subproject commit b60315ed111ec3bcd3db887ed62e0c02a4171445
+Subproject commit efb28d7303ba21426cc16bc3c89ad542072dd3e5
