Update Sources/swift-openapi-generator/Documentation.docc/Proposals/SOAR-0012.md

Author: czechboy0

Sources/swift-openapi-generator/Documentation.docc/Proposals/SOAR-0012.md

@@ -6,7 +6,7 @@ Introduce generator logic to generate Swift enums for server variables that defi
 
 - Proposal: SOAR-0012
 - Author(s): [Joshua Asbury](https://github.com/theoriginalbit)
-- Status: **Ready for Implementation**
+- Status: **Implemented (1.4.0)**
 - Issue: [apple/swift-openapi-generator#628](https://github.com/apple/swift-openapi-generator/issues/628)
 - Implementation:
     - [apple/swift-openapi-generator#618](https://github.com/apple/swift-openapi-generator/pull/618)