Merge pull request #2462 from Azoy/fix-atomic-link

[SE-0410] Fix broken atomic link

Author: Azoy

proposals/0410-atomics.md

@@ -56,7 +56,7 @@ New Swift-evolution thread: [Atomics](https://forums.swift.org/t/atomics/67350)
       * [AtomicOptionalRepresentable](#atomicoptionalrepresentable)
     * [WordPair](#wordpair-1)
     * [Atomic Types](#atomic-types)
-      * [Atomic<Representable>](#atomicrepresentable-1)
+      * [Atomic<Value>](#atomicvalue)
       * [AtomicLazyReference<Instance>](#atomiclazyreferenceinstance)
   * [Source Compatibility](#source-compatibility)
   * [Effect on ABI Stability](#effect-on-abi-stability)