fix: Added version for contract_violation

rotarymars · rotarymars · commit 77d4a16738e2 · 2025-05-08T13:03:58.000+09:00
diff --git a/reference/contracts/contract_violation.md b/reference/contracts/contract_violation.md
@@ -2,6 +2,7 @@
 * contracts[meta header]
 * std::contracts[meta namespace]
 * class[meta id-type]
+* cpp26[meta cpp]
 
 ```cpp
 namespace std::contracts {
