move OAS 3.1.2 support to the base version enum

Author: mattpolzin

Sources/OpenAPIKit/Document/Document.swift

@@ -433,12 +433,14 @@ extension OpenAPI.Document {
     public enum Version: RawRepresentable, Equatable, Codable, Sendable {
         case v3_1_0
         case v3_1_1
+        case v3_1_2
         case v3_1_x(x: Int)
 
       public init?(rawValue: String) {
           switch rawValue {
           case "3.1.0": self = .v3_1_0
           case "3.1.1": self = .v3_1_1
+          case "3.1.2": self = .v3_1_2
           default:
               let components = rawValue.split(separator: ".")
               guard components.count == 3 else {
@@ -464,6 +466,7 @@ extension OpenAPI.Document {
             switch self {
             case .v3_1_0: return "3.1.0"
             case .v3_1_1: return "3.1.1"
+            case .v3_1_2: return "3.1.2"
             case .v3_1_x(x: let x): return "3.1.\(x)"
             }
         }

Tests/OpenAPIKitTests/Document/DocumentTests.swift

@@ -48,7 +48,7 @@ final class DocumentTests: XCTestCase {
         let t2 = OpenAPI.Document.Version.v3_1_1
         XCTAssertEqual(t2.rawValue, "3.1.1")
 
-        let t3 = OpenAPI.Document.Version.v3_1_x(x: 2)
+        let t3 = OpenAPI.Document.Version.v3_1_2
         XCTAssertEqual(t3.rawValue, "3.1.2")
 
         let t4 = OpenAPI.Document.Version.v3_1_x(x: 8)
@@ -61,7 +61,7 @@ final class DocumentTests: XCTestCase {
         XCTAssertEqual(t6, .v3_1_1)
 
         let t7 = OpenAPI.Document.Version(rawValue: "3.1.2")
-        XCTAssertEqual(t7, .v3_1_x(x: 2))
+        XCTAssertEqual(t7, .v3_1_2)
 
         // not a known version:
         let t8 = OpenAPI.Document.Version(rawValue: "3.1.8")