Revise atomic_ref noexcept

Update document version and date for atomic_ref proposal.

Author: huixie90

atomic.md

@@ -1,7 +1,7 @@
 ---
 title: "Proposed Resolution for NB Comment GB13-309 `atomic_ref<T>` is not convertible to `atomic_ref<const T>`"
-document: P3860R0
-date: 2025-10-04
+document: P3860R1
+date: 2025-11-04
 audience: LEWG, LWG
 author:
   - name: Hui Xie
@@ -28,7 +28,7 @@ Change [atomics.ref.generic.general]{.sref} as follows:
     constexpr explicit atomic_ref(T&);
     constexpr atomic_ref(const atomic_ref&) noexcept;
     @[`template <class U>`]{.add}@
-    @[`constexpr atomic_ref(const atomic_ref<U>&);`]{.add}@
+    @[`constexpr atomic_ref(const atomic_ref<U>&) noexcept;`]{.add}@
 ```
 
 Add a new entry to [atomics.ref.ops]{.sref} after paragraph 8:
@@ -37,7 +37,7 @@ Add a new entry to [atomics.ref.ops]{.sref} after paragraph 8:
 
 ```cpp
 template <class U>
-constexpr atomic_ref(const atomic_ref<U>& ref);
+constexpr atomic_ref(const atomic_ref<U>& ref) noexcept;
 ```
 
 [9]{.pnum} *Contraints*: