ci: workspace mcpp bootstrap pin -> 0.0.55 (released + indexed)

Sunrisepeak · Sunrisepeak · commit 435e1fabdce7 · 2026-06-19T00:57:11.000+08:00
diff --git a/.xlings.json b/.xlings.json
@@ -1,5 +1,5 @@
 {
   "workspace": {
-    "mcpp": "0.0.54"
+    "mcpp": "0.0.55"
   }
 }
