libstdc++ defines __cpp_lib_start_lifetime_as

Co-authored-by: cpplearner <[email protected]>

Author: github-actions[bot]

data.yaml

@@ -5411,7 +5411,9 @@ library:
     cppreference-description: Explicit lifetime management ({{lc|std::start_lifetime_as}})
   support:
     clang: null
-    gcc: null
+    gcc:
+    - since: C++23
+      value: 202207
     msvc: null
 - name: __cpp_lib_starts_ends_with
   header_list: string string_view